Home / 133,076.30-199,614.45-66,526.70

Finding the Fourth Proportional to 133,076.30, 199,614.45 and 66,526.70

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Solution

The fourth proportional to 133,076.30, 199,614.45 and 66,526.70 is: 99,790.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,076.30 : 199,614.45 = 66,526.70 : x
  2. Step 2: Convert to fraction form
    133,076.30/199,614.45 = 66,526.70/x
  3. Step 3: Cross multiply
    133,076.30x = 199,614.45 × 66,526.70
  4. Step 4: Simplify right side
    133,076.30x = 13,279,690,630.82
  5. Step 5: Solve for x
    x = 13,279,690,630.82/133,076.30
  6. Step 6: Final answer
    x = 99,790.05

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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.