Home / 99,353.40-148,998.52-32,781.12

Finding the Fourth Proportional to 99,353.40, 148,998.52 and 32,781.12

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Solution

The fourth proportional to 99,353.40, 148,998.52 and 32,781.12 is: 49,161.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,353.40 : 148,998.52 = 32,781.12 : x
  2. Step 2: Convert to fraction form
    99,353.40/148,998.52 = 32,781.12/x
  3. Step 3: Cross multiply
    99,353.40x = 148,998.52 × 32,781.12
  4. Step 4: Simplify right side
    99,353.40x = 4,884,338,363.94
  5. Step 5: Solve for x
    x = 4,884,338,363.94/99,353.40
  6. Step 6: Final answer
    x = 49,161.26

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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.