Home / 127,734.66-176,273.87-74,050.79

Finding the Fourth Proportional to 127,734.66, 176,273.87 and 74,050.79

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Solution

The fourth proportional to 127,734.66, 176,273.87 and 74,050.79 is: 102,190.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,734.66 : 176,273.87 = 74,050.79 : x
  2. Step 2: Convert to fraction form
    127,734.66/176,273.87 = 74,050.79/x
  3. Step 3: Cross multiply
    127,734.66x = 176,273.87 × 74,050.79
  4. Step 4: Simplify right side
    127,734.66x = 13,053,219,329.86
  5. Step 5: Solve for x
    x = 13,053,219,329.86/127,734.66
  6. Step 6: Final answer
    x = 102,190.11

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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.