Home / 162,115.92-223,719.09-94,149.60

Finding the Fourth Proportional to 162,115.92, 223,719.09 and 94,149.60

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Solution

The fourth proportional to 162,115.92, 223,719.09 and 94,149.60 is: 129,925.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,115.92 : 223,719.09 = 94,149.60 : x
  2. Step 2: Convert to fraction form
    162,115.92/223,719.09 = 94,149.60/x
  3. Step 3: Cross multiply
    162,115.92x = 223,719.09 × 94,149.60
  4. Step 4: Simplify right side
    162,115.92x = 21,063,062,835.86
  5. Step 5: Solve for x
    x = 21,063,062,835.86/162,115.92
  6. Step 6: Final answer
    x = 129,925.94

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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.