Home / 127,844.46-176,386.26-74,118.76

Finding the Fourth Proportional to 127,844.46, 176,386.26 and 74,118.76

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Solution

The fourth proportional to 127,844.46, 176,386.26 and 74,118.76 is: 102,261.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,844.46 : 176,386.26 = 74,118.76 : x
  2. Step 2: Convert to fraction form
    127,844.46/176,386.26 = 74,118.76/x
  3. Step 3: Cross multiply
    127,844.46x = 176,386.26 × 74,118.76
  4. Step 4: Simplify right side
    127,844.46x = 13,073,530,872.24
  5. Step 5: Solve for x
    x = 13,073,530,872.24/127,844.46
  6. Step 6: Final answer
    x = 102,261.22

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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.