Home / 118,169.60-163,076.09-64,456.47

Finding the Fourth Proportional to 118,169.60, 163,076.09 and 64,456.47

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Solution

The fourth proportional to 118,169.60, 163,076.09 and 64,456.47 is: 88,951.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,169.60 : 163,076.09 = 64,456.47 : x
  2. Step 2: Convert to fraction form
    118,169.60/163,076.09 = 64,456.47/x
  3. Step 3: Cross multiply
    118,169.60x = 163,076.09 × 64,456.47
  4. Step 4: Simplify right side
    118,169.60x = 10,511,308,780.52
  5. Step 5: Solve for x
    x = 10,511,308,780.52/118,169.60
  6. Step 6: Final answer
    x = 88,951.04

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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.