Home / 516,760.20-775,090.14-156,934.14

Finding the Fourth Proportional to 516,760.20, 775,090.14 and 156,934.14

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Solution

The fourth proportional to 516,760.20, 775,090.14 and 156,934.14 is: 235,385.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,760.20 : 775,090.14 = 156,934.14 : x
  2. Step 2: Convert to fraction form
    516,760.20/775,090.14 = 156,934.14/x
  3. Step 3: Cross multiply
    516,760.20x = 775,090.14 × 156,934.14
  4. Step 4: Simplify right side
    516,760.20x = 121,638,104,543.38
  5. Step 5: Solve for x
    x = 121,638,104,543.38/516,760.20
  6. Step 6: Final answer
    x = 235,385.98

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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.