Home / 205,812.29-284,013.81-113,935.56

Finding the Fourth Proportional to 205,812.29, 284,013.81 and 113,935.56

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Solution

The fourth proportional to 205,812.29, 284,013.81 and 113,935.56 is: 157,227.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,812.29 : 284,013.81 = 113,935.56 : x
  2. Step 2: Convert to fraction form
    205,812.29/284,013.81 = 113,935.56/x
  3. Step 3: Cross multiply
    205,812.29x = 284,013.81 × 113,935.56
  4. Step 4: Simplify right side
    205,812.29x = 32,359,272,490.08
  5. Step 5: Solve for x
    x = 32,359,272,490.08/205,812.29
  6. Step 6: Final answer
    x = 157,227.11

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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.