Home / 143,732.16-215,593.60-38,545.60

Finding the Fourth Proportional to 143,732.16, 215,593.60 and 38,545.60

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Solution

The fourth proportional to 143,732.16, 215,593.60 and 38,545.60 is: 57,817.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,732.16 : 215,593.60 = 38,545.60 : x
  2. Step 2: Convert to fraction form
    143,732.16/215,593.60 = 38,545.60/x
  3. Step 3: Cross multiply
    143,732.16x = 215,593.60 × 38,545.60
  4. Step 4: Simplify right side
    143,732.16x = 8,310,184,668.16
  5. Step 5: Solve for x
    x = 8,310,184,668.16/143,732.16
  6. Step 6: Final answer
    x = 57,817.16

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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.