Home / 231,922.20-347,624.10-98,779.80

Finding the Fourth Proportional to 231,922.20, 347,624.10 and 98,779.80

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Solution

The fourth proportional to 231,922.20, 347,624.10 and 98,779.80 is: 148,059.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,922.20 : 347,624.10 = 98,779.80 : x
  2. Step 2: Convert to fraction form
    231,922.20/347,624.10 = 98,779.80/x
  3. Step 3: Cross multiply
    231,922.20x = 347,624.10 × 98,779.80
  4. Step 4: Simplify right side
    231,922.20x = 34,338,239,073.18
  5. Step 5: Solve for x
    x = 34,338,239,073.18/231,922.20
  6. Step 6: Final answer
    x = 148,059.30

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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.