Home / 225,395.55-338,264.64-83,375.19

Finding the Fourth Proportional to 225,395.55, 338,264.64 and 83,375.19

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Solution

The fourth proportional to 225,395.55, 338,264.64 and 83,375.19 is: 125,126.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,395.55 : 338,264.64 = 83,375.19 : x
  2. Step 2: Convert to fraction form
    225,395.55/338,264.64 = 83,375.19/x
  3. Step 3: Cross multiply
    225,395.55x = 338,264.64 × 83,375.19
  4. Step 4: Simplify right side
    225,395.55x = 28,202,878,630.28
  5. Step 5: Solve for x
    x = 28,202,878,630.28/225,395.55
  6. Step 6: Final answer
    x = 125,126.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.