Home / 127,874.08-176,475.86-74,158.66

Finding the Fourth Proportional to 127,874.08, 176,475.86 and 74,158.66

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Solution

The fourth proportional to 127,874.08, 176,475.86 and 74,158.66 is: 102,344.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,874.08 : 176,475.86 = 74,158.66 : x
  2. Step 2: Convert to fraction form
    127,874.08/176,475.86 = 74,158.66/x
  3. Step 3: Cross multiply
    127,874.08x = 176,475.86 × 74,158.66
  4. Step 4: Simplify right side
    127,874.08x = 13,087,213,299.95
  5. Step 5: Solve for x
    x = 13,087,213,299.95/127,874.08
  6. Step 6: Final answer
    x = 102,344.54

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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.