Home / 127,652.72-176,158.26-79,932.38

Finding the Fourth Proportional to 127,652.72, 176,158.26 and 79,932.38

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Solution

The fourth proportional to 127,652.72, 176,158.26 and 79,932.38 is: 110,305.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,652.72 : 176,158.26 = 79,932.38 : x
  2. Step 2: Convert to fraction form
    127,652.72/176,158.26 = 79,932.38/x
  3. Step 3: Cross multiply
    127,652.72x = 176,158.26 × 79,932.38
  4. Step 4: Simplify right side
    127,652.72x = 14,080,748,097.67
  5. Step 5: Solve for x
    x = 14,080,748,097.67/127,652.72
  6. Step 6: Final answer
    x = 110,305.12

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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.