Home / 118,217.59-163,139.67-64,502.44

Finding the Fourth Proportional to 118,217.59, 163,139.67 and 64,502.44

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Solution

The fourth proportional to 118,217.59, 163,139.67 and 64,502.44 is: 89,013.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,217.59 : 163,139.67 = 64,502.44 : x
  2. Step 2: Convert to fraction form
    118,217.59/163,139.67 = 64,502.44/x
  3. Step 3: Cross multiply
    118,217.59x = 163,139.67 × 64,502.44
  4. Step 4: Simplify right side
    118,217.59x = 10,522,906,775.79
  5. Step 5: Solve for x
    x = 10,522,906,775.79/118,217.59
  6. Step 6: Final answer
    x = 89,013.04

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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.