Home / 99,165.20-148,758.37-31,673.66

Finding the Fourth Proportional to 99,165.20, 148,758.37 and 31,673.66

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Solution

The fourth proportional to 99,165.20, 148,758.37 and 31,673.66 is: 47,513.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,165.20 : 148,758.37 = 31,673.66 : x
  2. Step 2: Convert to fraction form
    99,165.20/148,758.37 = 31,673.66/x
  3. Step 3: Cross multiply
    99,165.20x = 148,758.37 × 31,673.66
  4. Step 4: Simplify right side
    99,165.20x = 4,711,721,210.56
  5. Step 5: Solve for x
    x = 4,711,721,210.56/99,165.20
  6. Step 6: Final answer
    x = 47,513.86

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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.