Home / 127,186.46-175,548.28-76,229.36

Finding the Fourth Proportional to 127,186.46, 175,548.28 and 76,229.36

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Solution

The fourth proportional to 127,186.46, 175,548.28 and 76,229.36 is: 105,215.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,186.46 : 175,548.28 = 76,229.36 : x
  2. Step 2: Convert to fraction form
    127,186.46/175,548.28 = 76,229.36/x
  3. Step 3: Cross multiply
    127,186.46x = 175,548.28 × 76,229.36
  4. Step 4: Simplify right side
    127,186.46x = 13,381,933,753.88
  5. Step 5: Solve for x
    x = 13,381,933,753.88/127,186.46
  6. Step 6: Final answer
    x = 105,215.08

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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.