Home / 266,200.81-398,897.18-195,170.73

Finding the Fourth Proportional to 266,200.81, 398,897.18 and 195,170.73

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Solution

The fourth proportional to 266,200.81, 398,897.18 and 195,170.73 is: 292,459.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,200.81 : 398,897.18 = 195,170.73 : x
  2. Step 2: Convert to fraction form
    266,200.81/398,897.18 = 195,170.73/x
  3. Step 3: Cross multiply
    266,200.81x = 398,897.18 × 195,170.73
  4. Step 4: Simplify right side
    266,200.81x = 77,853,050,845.20
  5. Step 5: Solve for x
    x = 77,853,050,845.20/266,200.81
  6. Step 6: Final answer
    x = 292,459.86

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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.