Home / 130,747.16-195,935.33-54,763.86

Finding the Fourth Proportional to 130,747.16, 195,935.33 and 54,763.86

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Solution

The fourth proportional to 130,747.16, 195,935.33 and 54,763.86 is: 82,068.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,747.16 : 195,935.33 = 54,763.86 : x
  2. Step 2: Convert to fraction form
    130,747.16/195,935.33 = 54,763.86/x
  3. Step 3: Cross multiply
    130,747.16x = 195,935.33 × 54,763.86
  4. Step 4: Simplify right side
    130,747.16x = 10,730,174,981.17
  5. Step 5: Solve for x
    x = 10,730,174,981.17/130,747.16
  6. Step 6: Final answer
    x = 82,068.13

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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.