Home / 343,541.52-515,337.10-115,837.92

Finding the Fourth Proportional to 343,541.52, 515,337.10 and 115,837.92

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Solution

The fourth proportional to 343,541.52, 515,337.10 and 115,837.92 is: 173,765.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,541.52 : 515,337.10 = 115,837.92 : x
  2. Step 2: Convert to fraction form
    343,541.52/515,337.10 = 115,837.92/x
  3. Step 3: Cross multiply
    343,541.52x = 515,337.10 × 115,837.92
  4. Step 4: Simplify right side
    343,541.52x = 59,695,577,762.83
  5. Step 5: Solve for x
    x = 59,695,577,762.83/343,541.52
  6. Step 6: Final answer
    x = 173,765.25

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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.