Home / 124,181.38-186,299.85-45,295.61

Finding the Fourth Proportional to 124,181.38, 186,299.85 and 45,295.61

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Solution

The fourth proportional to 124,181.38, 186,299.85 and 45,295.61 is: 67,953.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,181.38 : 186,299.85 = 45,295.61 : x
  2. Step 2: Convert to fraction form
    124,181.38/186,299.85 = 45,295.61/x
  3. Step 3: Cross multiply
    124,181.38x = 186,299.85 × 45,295.61
  4. Step 4: Simplify right side
    124,181.38x = 8,438,565,348.66
  5. Step 5: Solve for x
    x = 8,438,565,348.66/124,181.38
  6. Step 6: Final answer
    x = 67,953.55

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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.