Home / 161,773.41-223,247.52-90,151.86

Finding the Fourth Proportional to 161,773.41, 223,247.52 and 90,151.86

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Solution

The fourth proportional to 161,773.41, 223,247.52 and 90,151.86 is: 124,409.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,773.41 : 223,247.52 = 90,151.86 : x
  2. Step 2: Convert to fraction form
    161,773.41/223,247.52 = 90,151.86/x
  3. Step 3: Cross multiply
    161,773.41x = 223,247.52 × 90,151.86
  4. Step 4: Simplify right side
    161,773.41x = 20,126,179,168.39
  5. Step 5: Solve for x
    x = 20,126,179,168.39/161,773.41
  6. Step 6: Final answer
    x = 124,409.69

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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.