Home / 525,931.80-788,897.70-151,992.60

Finding the Fourth Proportional to 525,931.80, 788,897.70 and 151,992.60

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Solution

The fourth proportional to 525,931.80, 788,897.70 and 151,992.60 is: 227,988.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,931.80 : 788,897.70 = 151,992.60 : x
  2. Step 2: Convert to fraction form
    525,931.80/788,897.70 = 151,992.60/x
  3. Step 3: Cross multiply
    525,931.80x = 788,897.70 × 151,992.60
  4. Step 4: Simplify right side
    525,931.80x = 119,906,612,557.02
  5. Step 5: Solve for x
    x = 119,906,612,557.02/525,931.80
  6. Step 6: Final answer
    x = 227,988.90

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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.