Home / 99,657.40-149,434.80-29,527.60

Finding the Fourth Proportional to 99,657.40, 149,434.80 and 29,527.60

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Solution

The fourth proportional to 99,657.40, 149,434.80 and 29,527.60 is: 44,276.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,657.40 : 149,434.80 = 29,527.60 : x
  2. Step 2: Convert to fraction form
    99,657.40/149,434.80 = 29,527.60/x
  3. Step 3: Cross multiply
    99,657.40x = 149,434.80 × 29,527.60
  4. Step 4: Simplify right side
    99,657.40x = 4,412,451,000.48
  5. Step 5: Solve for x
    x = 4,412,451,000.48/99,657.40
  6. Step 6: Final answer
    x = 44,276.20

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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.