Home / 118,207.29-163,126.61-64,493.43

Finding the Fourth Proportional to 118,207.29, 163,126.61 and 64,493.43

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Solution

The fourth proportional to 118,207.29, 163,126.61 and 64,493.43 is: 89,001.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,207.29 : 163,126.61 = 64,493.43 : x
  2. Step 2: Convert to fraction form
    118,207.29/163,126.61 = 64,493.43/x
  3. Step 3: Cross multiply
    118,207.29x = 163,126.61 × 64,493.43
  4. Step 4: Simplify right side
    118,207.29x = 10,520,594,603.17
  5. Step 5: Solve for x
    x = 10,520,594,603.17/118,207.29
  6. Step 6: Final answer
    x = 89,001.23

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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.