Home / 127,868.38-176,458.37-71,279.75

Finding the Fourth Proportional to 127,868.38, 176,458.37 and 71,279.75

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Solution

The fourth proportional to 127,868.38, 176,458.37 and 71,279.75 is: 98,366.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,868.38 : 176,458.37 = 71,279.75 : x
  2. Step 2: Convert to fraction form
    127,868.38/176,458.37 = 71,279.75/x
  3. Step 3: Cross multiply
    127,868.38x = 176,458.37 × 71,279.75
  4. Step 4: Simplify right side
    127,868.38x = 12,577,908,499.01
  5. Step 5: Solve for x
    x = 12,577,908,499.01/127,868.38
  6. Step 6: Final answer
    x = 98,366.06

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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.