Home / 130,139.62-195,192.15-36,652.66

Finding the Fourth Proportional to 130,139.62, 195,192.15 and 36,652.66

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Solution

The fourth proportional to 130,139.62, 195,192.15 and 36,652.66 is: 54,974.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,139.62 : 195,192.15 = 36,652.66 : x
  2. Step 2: Convert to fraction form
    130,139.62/195,192.15 = 36,652.66/x
  3. Step 3: Cross multiply
    130,139.62x = 195,192.15 × 36,652.66
  4. Step 4: Simplify right side
    130,139.62x = 7,154,311,508.62
  5. Step 5: Solve for x
    x = 7,154,311,508.62/130,139.62
  6. Step 6: Final answer
    x = 54,974.12

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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.