Home / 134,721.48-185,916.78-74,294.22

Finding the Fourth Proportional to 134,721.48, 185,916.78 and 74,294.22

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Solution

The fourth proportional to 134,721.48, 185,916.78 and 74,294.22 is: 102,526.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,721.48 : 185,916.78 = 74,294.22 : x
  2. Step 2: Convert to fraction form
    134,721.48/185,916.78 = 74,294.22/x
  3. Step 3: Cross multiply
    134,721.48x = 185,916.78 × 74,294.22
  4. Step 4: Simplify right side
    134,721.48x = 13,812,542,155.01
  5. Step 5: Solve for x
    x = 13,812,542,155.01/134,721.48
  6. Step 6: Final answer
    x = 102,526.65

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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.