Home / 127,402.40-191,103.60-48,553.12

Finding the Fourth Proportional to 127,402.40, 191,103.60 and 48,553.12

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Solution

The fourth proportional to 127,402.40, 191,103.60 and 48,553.12 is: 72,829.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,402.40 : 191,103.60 = 48,553.12 : x
  2. Step 2: Convert to fraction form
    127,402.40/191,103.60 = 48,553.12/x
  3. Step 3: Cross multiply
    127,402.40x = 191,103.60 × 48,553.12
  4. Step 4: Simplify right side
    127,402.40x = 9,278,676,023.23
  5. Step 5: Solve for x
    x = 9,278,676,023.23/127,402.40
  6. Step 6: Final answer
    x = 72,829.68

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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.