Home / 127,114.88-175,418.06-69,755.17

Finding the Fourth Proportional to 127,114.88, 175,418.06 and 69,755.17

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Solution

The fourth proportional to 127,114.88, 175,418.06 and 69,755.17 is: 96,261.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,114.88 : 175,418.06 = 69,755.17 : x
  2. Step 2: Convert to fraction form
    127,114.88/175,418.06 = 69,755.17/x
  3. Step 3: Cross multiply
    127,114.88x = 175,418.06 × 69,755.17
  4. Step 4: Simplify right side
    127,114.88x = 12,236,315,459.58
  5. Step 5: Solve for x
    x = 12,236,315,459.58/127,114.88
  6. Step 6: Final answer
    x = 96,261.87

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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.