Home / 131,549.29-197,353.13-61,390.33

Finding the Fourth Proportional to 131,549.29, 197,353.13 and 61,390.33

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Solution

The fourth proportional to 131,549.29, 197,353.13 and 61,390.33 is: 92,099.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,549.29 : 197,353.13 = 61,390.33 : x
  2. Step 2: Convert to fraction form
    131,549.29/197,353.13 = 61,390.33/x
  3. Step 3: Cross multiply
    131,549.29x = 197,353.13 × 61,390.33
  4. Step 4: Simplify right side
    131,549.29x = 12,115,572,976.90
  5. Step 5: Solve for x
    x = 12,115,572,976.90/131,549.29
  6. Step 6: Final answer
    x = 92,099.12

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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.