Home / 123,428.92-185,154.20-34,683.16

Finding the Fourth Proportional to 123,428.92, 185,154.20 and 34,683.16

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Solution

The fourth proportional to 123,428.92, 185,154.20 and 34,683.16 is: 52,027.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,428.92 : 185,154.20 = 34,683.16 : x
  2. Step 2: Convert to fraction form
    123,428.92/185,154.20 = 34,683.16/x
  3. Step 3: Cross multiply
    123,428.92x = 185,154.20 × 34,683.16
  4. Step 4: Simplify right side
    123,428.92x = 6,421,732,743.27
  5. Step 5: Solve for x
    x = 6,421,732,743.27/123,428.92
  6. Step 6: Final answer
    x = 52,027.78

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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.