Home / 127,707.70-176,236.61-74,023.85

Finding the Fourth Proportional to 127,707.70, 176,236.61 and 74,023.85

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Solution

The fourth proportional to 127,707.70, 176,236.61 and 74,023.85 is: 102,152.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,707.70 : 176,236.61 = 74,023.85 : x
  2. Step 2: Convert to fraction form
    127,707.70/176,236.61 = 74,023.85/x
  3. Step 3: Cross multiply
    127,707.70x = 176,236.61 × 74,023.85
  4. Step 4: Simplify right side
    127,707.70x = 13,045,712,198.09
  5. Step 5: Solve for x
    x = 13,045,712,198.09/127,707.70
  6. Step 6: Final answer
    x = 102,152.91

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1.5x scale

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.