Home / 148,811.40-223,217.10-89,713.80

Finding the Fourth Proportional to 148,811.40, 223,217.10 and 89,713.80

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Solution

The fourth proportional to 148,811.40, 223,217.10 and 89,713.80 is: 134,570.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,811.40 : 223,217.10 = 89,713.80 : x
  2. Step 2: Convert to fraction form
    148,811.40/223,217.10 = 89,713.80/x
  3. Step 3: Cross multiply
    148,811.40x = 223,217.10 × 89,713.80
  4. Step 4: Simplify right side
    148,811.40x = 20,025,654,265.98
  5. Step 5: Solve for x
    x = 20,025,654,265.98/148,811.40
  6. Step 6: Final answer
    x = 134,570.70

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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.