Home / 108,934.60-163,280.40-42,352.60

Finding the Fourth Proportional to 108,934.60, 163,280.40 and 42,352.60

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Solution

The fourth proportional to 108,934.60, 163,280.40 and 42,352.60 is: 63,481.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,934.60 : 163,280.40 = 42,352.60 : x
  2. Step 2: Convert to fraction form
    108,934.60/163,280.40 = 42,352.60/x
  3. Step 3: Cross multiply
    108,934.60x = 163,280.40 × 42,352.60
  4. Step 4: Simplify right side
    108,934.60x = 6,915,349,469.04
  5. Step 5: Solve for x
    x = 6,915,349,469.04/108,934.60
  6. Step 6: Final answer
    x = 63,481.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.