Home / 127,496.71-175,982.52-85,055.14

Finding the Fourth Proportional to 127,496.71, 175,982.52 and 85,055.14

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Solution

The fourth proportional to 127,496.71, 175,982.52 and 85,055.14 is: 117,400.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,496.71 : 175,982.52 = 85,055.14 : x
  2. Step 2: Convert to fraction form
    127,496.71/175,982.52 = 85,055.14/x
  3. Step 3: Cross multiply
    127,496.71x = 175,982.52 × 85,055.14
  4. Step 4: Simplify right side
    127,496.71x = 14,968,217,876.15
  5. Step 5: Solve for x
    x = 14,968,217,876.15/127,496.71
  6. Step 6: Final answer
    x = 117,400.82

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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.