Home / 142,930.11-214,395.17-49,384.83

Finding the Fourth Proportional to 142,930.11, 214,395.17 and 49,384.83

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Solution

The fourth proportional to 142,930.11, 214,395.17 and 49,384.83 is: 74,077.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,930.11 : 214,395.17 = 49,384.83 : x
  2. Step 2: Convert to fraction form
    142,930.11/214,395.17 = 49,384.83/x
  3. Step 3: Cross multiply
    142,930.11x = 214,395.17 × 49,384.83
  4. Step 4: Simplify right side
    142,930.11x = 10,587,868,776.35
  5. Step 5: Solve for x
    x = 10,587,868,776.35/142,930.11
  6. Step 6: Final answer
    x = 74,077.25

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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.