Home / 261,500.60-392,416.68-111,741.95

Finding the Fourth Proportional to 261,500.60, 392,416.68 and 111,741.95

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Solution

The fourth proportional to 261,500.60, 392,416.68 and 111,741.95 is: 167,683.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,500.60 : 392,416.68 = 111,741.95 : x
  2. Step 2: Convert to fraction form
    261,500.60/392,416.68 = 111,741.95/x
  3. Step 3: Cross multiply
    261,500.60x = 392,416.68 × 111,741.95
  4. Step 4: Simplify right side
    261,500.60x = 43,849,405,035.73
  5. Step 5: Solve for x
    x = 43,849,405,035.73/261,500.60
  6. Step 6: Final answer
    x = 167,683.76

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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.