Home / 134,174.38-185,156.73-76,811.80

Finding the Fourth Proportional to 134,174.38, 185,156.73 and 76,811.80

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Solution

The fourth proportional to 134,174.38, 185,156.73 and 76,811.80 is: 105,998.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,174.38 : 185,156.73 = 76,811.80 : x
  2. Step 2: Convert to fraction form
    134,174.38/185,156.73 = 76,811.80/x
  3. Step 3: Cross multiply
    134,174.38x = 185,156.73 × 76,811.80
  4. Step 4: Simplify right side
    134,174.38x = 14,222,221,713.41
  5. Step 5: Solve for x
    x = 14,222,221,713.41/134,174.38
  6. Step 6: Final answer
    x = 105,998.04

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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.