Home / 292,285.13-437,161.19-172,055.61

Finding the Fourth Proportional to 292,285.13, 437,161.19 and 172,055.61

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Solution

The fourth proportional to 292,285.13, 437,161.19 and 172,055.61 is: 257,337.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,285.13 : 437,161.19 = 172,055.61 : x
  2. Step 2: Convert to fraction form
    292,285.13/437,161.19 = 172,055.61/x
  3. Step 3: Cross multiply
    292,285.13x = 437,161.19 × 172,055.61
  4. Step 4: Simplify right side
    292,285.13x = 75,216,034,353.50
  5. Step 5: Solve for x
    x = 75,216,034,353.50/292,285.13
  6. Step 6: Final answer
    x = 257,337.88

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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.