Home / 261,766.20-392,246.10-194,892.60

Finding the Fourth Proportional to 261,766.20, 392,246.10 and 194,892.60

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Solution

The fourth proportional to 261,766.20, 392,246.10 and 194,892.60 is: 292,038.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,766.20 : 392,246.10 = 194,892.60 : x
  2. Step 2: Convert to fraction form
    261,766.20/392,246.10 = 194,892.60/x
  3. Step 3: Cross multiply
    261,766.20x = 392,246.10 × 194,892.60
  4. Step 4: Simplify right side
    261,766.20x = 76,445,862,268.86
  5. Step 5: Solve for x
    x = 76,445,862,268.86/261,766.20
  6. Step 6: Final answer
    x = 292,038.71

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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.