Home / 136,717.74-188,455.61-93,622.70

Finding the Fourth Proportional to 136,717.74, 188,455.61 and 93,622.70

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Solution

The fourth proportional to 136,717.74, 188,455.61 and 93,622.70 is: 129,052.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,717.74 : 188,455.61 = 93,622.70 : x
  2. Step 2: Convert to fraction form
    136,717.74/188,455.61 = 93,622.70/x
  3. Step 3: Cross multiply
    136,717.74x = 188,455.61 × 93,622.70
  4. Step 4: Simplify right side
    136,717.74x = 17,643,723,743.54
  5. Step 5: Solve for x
    x = 17,643,723,743.54/136,717.74
  6. Step 6: Final answer
    x = 129,052.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.