Home / 525,935.80-788,903.70-151,996.60

Finding the Fourth Proportional to 525,935.80, 788,903.70 and 151,996.60

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Solution

The fourth proportional to 525,935.80, 788,903.70 and 151,996.60 is: 227,994.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,935.80 : 788,903.70 = 151,996.60 : x
  2. Step 2: Convert to fraction form
    525,935.80/788,903.70 = 151,996.60/x
  3. Step 3: Cross multiply
    525,935.80x = 788,903.70 × 151,996.60
  4. Step 4: Simplify right side
    525,935.80x = 119,910,680,127.42
  5. Step 5: Solve for x
    x = 119,910,680,127.42/525,935.80
  6. Step 6: Final answer
    x = 227,994.90

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.