Home / 257,203.04-386,053.92-124,176.96

Finding the Fourth Proportional to 257,203.04, 386,053.92 and 124,176.96

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Solution

The fourth proportional to 257,203.04, 386,053.92 and 124,176.96 is: 186,385.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,203.04 : 386,053.92 = 124,176.96 : x
  2. Step 2: Convert to fraction form
    257,203.04/386,053.92 = 124,176.96/x
  3. Step 3: Cross multiply
    257,203.04x = 386,053.92 × 124,176.96
  4. Step 4: Simplify right side
    257,203.04x = 47,939,002,181.68
  5. Step 5: Solve for x
    x = 47,939,002,181.68/257,203.04
  6. Step 6: Final answer
    x = 186,385.83

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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.