Home / 266,191.20-367,347.42-145,331.10

Finding the Fourth Proportional to 266,191.20, 367,347.42 and 145,331.10

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Solution

The fourth proportional to 266,191.20, 367,347.42 and 145,331.10 is: 200,558.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,191.20 : 367,347.42 = 145,331.10 : x
  2. Step 2: Convert to fraction form
    266,191.20/367,347.42 = 145,331.10/x
  3. Step 3: Cross multiply
    266,191.20x = 367,347.42 × 145,331.10
  4. Step 4: Simplify right side
    266,191.20x = 53,387,004,630.76
  5. Step 5: Solve for x
    x = 53,387,004,630.76/266,191.20
  6. Step 6: Final answer
    x = 200,558.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.