Home / 118,169.28-163,101.60-67,897.44

Finding the Fourth Proportional to 118,169.28, 163,101.60 and 67,897.44

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Solution

The fourth proportional to 118,169.28, 163,101.60 and 67,897.44 is: 93,714.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,169.28 : 163,101.60 = 67,897.44 : x
  2. Step 2: Convert to fraction form
    118,169.28/163,101.60 = 67,897.44/x
  3. Step 3: Cross multiply
    118,169.28x = 163,101.60 × 67,897.44
  4. Step 4: Simplify right side
    118,169.28x = 11,074,181,099.90
  5. Step 5: Solve for x
    x = 11,074,181,099.90/118,169.28
  6. Step 6: Final answer
    x = 93,714.55

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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.