Home / 118,221.90-163,001.07-73,432.14

Finding the Fourth Proportional to 118,221.90, 163,001.07 and 73,432.14

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Solution

The fourth proportional to 118,221.90, 163,001.07 and 73,432.14 is: 101,246.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,221.90 : 163,001.07 = 73,432.14 : x
  2. Step 2: Convert to fraction form
    118,221.90/163,001.07 = 73,432.14/x
  3. Step 3: Cross multiply
    118,221.90x = 163,001.07 × 73,432.14
  4. Step 4: Simplify right side
    118,221.90x = 11,969,517,392.39
  5. Step 5: Solve for x
    x = 11,969,517,392.39/118,221.90
  6. Step 6: Final answer
    x = 101,246.19

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1.5x scale

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.