Home / 285,024.27-393,332.92-157,699.56

Finding the Fourth Proportional to 285,024.27, 393,332.92 and 157,699.56

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Solution

The fourth proportional to 285,024.27, 393,332.92 and 157,699.56 is: 217,625.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,024.27 : 393,332.92 = 157,699.56 : x
  2. Step 2: Convert to fraction form
    285,024.27/393,332.92 = 157,699.56/x
  3. Step 3: Cross multiply
    285,024.27x = 393,332.92 × 157,699.56
  4. Step 4: Simplify right side
    285,024.27x = 62,028,428,417.52
  5. Step 5: Solve for x
    x = 62,028,428,417.52/285,024.27
  6. Step 6: Final answer
    x = 217,625.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.