Home / 108,923.40-163,393.20-38,793.60

Finding the Fourth Proportional to 108,923.40, 163,393.20 and 38,793.60

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Solution

The fourth proportional to 108,923.40, 163,393.20 and 38,793.60 is: 58,193.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,923.40 : 163,393.20 = 38,793.60 : x
  2. Step 2: Convert to fraction form
    108,923.40/163,393.20 = 38,793.60/x
  3. Step 3: Cross multiply
    108,923.40x = 163,393.20 × 38,793.60
  4. Step 4: Simplify right side
    108,923.40x = 6,338,610,443.52
  5. Step 5: Solve for x
    x = 6,338,610,443.52/108,923.40
  6. Step 6: Final answer
    x = 58,193.28

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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.