Home / 231,901.20-347,592.60-98,758.80

Finding the Fourth Proportional to 231,901.20, 347,592.60 and 98,758.80

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Solution

The fourth proportional to 231,901.20, 347,592.60 and 98,758.80 is: 148,027.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,901.20 : 347,592.60 = 98,758.80 : x
  2. Step 2: Convert to fraction form
    231,901.20/347,592.60 = 98,758.80/x
  3. Step 3: Cross multiply
    231,901.20x = 347,592.60 × 98,758.80
  4. Step 4: Simplify right side
    231,901.20x = 34,327,828,064.88
  5. Step 5: Solve for x
    x = 34,327,828,064.88/231,901.20
  6. Step 6: Final answer
    x = 148,027.82

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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.