Home / 129,606.12-177,689.97-127,244.16

Finding the Fourth Proportional to 129,606.12, 177,689.97 and 127,244.16

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Solution

The fourth proportional to 129,606.12, 177,689.97 and 127,244.16 is: 174,451.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,606.12 : 177,689.97 = 127,244.16 : x
  2. Step 2: Convert to fraction form
    129,606.12/177,689.97 = 127,244.16/x
  3. Step 3: Cross multiply
    129,606.12x = 177,689.97 × 127,244.16
  4. Step 4: Simplify right side
    129,606.12x = 22,610,010,973.08
  5. Step 5: Solve for x
    x = 22,610,010,973.08/129,606.12
  6. Step 6: Final answer
    x = 174,451.72

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.