Home / 237,712.89-328,046.36-130,280.61

Finding the Fourth Proportional to 237,712.89, 328,046.36 and 130,280.61

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Solution

The fourth proportional to 237,712.89, 328,046.36 and 130,280.61 is: 179,788.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,712.89 : 328,046.36 = 130,280.61 : x
  2. Step 2: Convert to fraction form
    237,712.89/328,046.36 = 130,280.61/x
  3. Step 3: Cross multiply
    237,712.89x = 328,046.36 × 130,280.61
  4. Step 4: Simplify right side
    237,712.89x = 42,738,079,237.68
  5. Step 5: Solve for x
    x = 42,738,079,237.68/237,712.89
  6. Step 6: Final answer
    x = 179,788.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.