Home / 525,816.19-788,857.34-146,736.88

Finding the Fourth Proportional to 525,816.19, 788,857.34 and 146,736.88

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Solution

The fourth proportional to 525,816.19, 788,857.34 and 146,736.88 is: 220,142.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,816.19 : 788,857.34 = 146,736.88 : x
  2. Step 2: Convert to fraction form
    525,816.19/788,857.34 = 146,736.88/x
  3. Step 3: Cross multiply
    525,816.19x = 788,857.34 × 146,736.88
  4. Step 4: Simplify right side
    525,816.19x = 115,754,464,836.70
  5. Step 5: Solve for x
    x = 115,754,464,836.70/525,816.19
  6. Step 6: Final answer
    x = 220,142.45

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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.