Home / 127,343.06-175,655.24-75,625.02

Finding the Fourth Proportional to 127,343.06, 175,655.24 and 75,625.02

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Solution

The fourth proportional to 127,343.06, 175,655.24 and 75,625.02 is: 104,316.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,343.06 : 175,655.24 = 75,625.02 : x
  2. Step 2: Convert to fraction form
    127,343.06/175,655.24 = 75,625.02/x
  3. Step 3: Cross multiply
    127,343.06x = 175,655.24 × 75,625.02
  4. Step 4: Simplify right side
    127,343.06x = 13,283,930,659.98
  5. Step 5: Solve for x
    x = 13,283,930,659.98/127,343.06
  6. Step 6: Final answer
    x = 104,316.10

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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.