Home / 124,177.94-171,160.61-87,832.43

Finding the Fourth Proportional to 124,177.94, 171,160.61 and 87,832.43

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Solution

The fourth proportional to 124,177.94, 171,160.61 and 87,832.43 is: 121,063.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,177.94 : 171,160.61 = 87,832.43 : x
  2. Step 2: Convert to fraction form
    124,177.94/171,160.61 = 87,832.43/x
  3. Step 3: Cross multiply
    124,177.94x = 171,160.61 × 87,832.43
  4. Step 4: Simplify right side
    124,177.94x = 15,033,452,285.32
  5. Step 5: Solve for x
    x = 15,033,452,285.32/124,177.94
  6. Step 6: Final answer
    x = 121,063.79

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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.