Home / 162,921.86-224,833.28-90,326.97

Finding the Fourth Proportional to 162,921.86, 224,833.28 and 90,326.97

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Solution

The fourth proportional to 162,921.86, 224,833.28 and 90,326.97 is: 124,651.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,921.86 : 224,833.28 = 90,326.97 : x
  2. Step 2: Convert to fraction form
    162,921.86/224,833.28 = 90,326.97/x
  3. Step 3: Cross multiply
    162,921.86x = 224,833.28 × 90,326.97
  4. Step 4: Simplify right side
    162,921.86x = 20,308,508,485.93
  5. Step 5: Solve for x
    x = 20,308,508,485.93/162,921.86
  6. Step 6: Final answer
    x = 124,651.84

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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.