Home / 118,126.52-163,008.42-67,132.43

Finding the Fourth Proportional to 118,126.52, 163,008.42 and 67,132.43

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Solution

The fourth proportional to 118,126.52, 163,008.42 and 67,132.43 is: 92,639.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,126.52 : 163,008.42 = 67,132.43 : x
  2. Step 2: Convert to fraction form
    118,126.52/163,008.42 = 67,132.43/x
  3. Step 3: Cross multiply
    118,126.52x = 163,008.42 × 67,132.43
  4. Step 4: Simplify right side
    118,126.52x = 10,943,151,345.06
  5. Step 5: Solve for x
    x = 10,943,151,345.06/118,126.52
  6. Step 6: Final answer
    x = 92,639.24

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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.