Home / 127,116.77-175,420.64-69,757.04

Finding the Fourth Proportional to 127,116.77, 175,420.64 and 69,757.04

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Solution

The fourth proportional to 127,116.77, 175,420.64 and 69,757.04 is: 96,264.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,116.77 : 175,420.64 = 69,757.04 : x
  2. Step 2: Convert to fraction form
    127,116.77/175,420.64 = 69,757.04/x
  3. Step 3: Cross multiply
    127,116.77x = 175,420.64 × 69,757.04
  4. Step 4: Simplify right side
    127,116.77x = 12,236,823,375.42
  5. Step 5: Solve for x
    x = 12,236,823,375.42/127,116.77
  6. Step 6: Final answer
    x = 96,264.43

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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.