Home / 220,141.17-303,795-124,648.02

Finding the Fourth Proportional to 220,141.17, 303,795 and 124,648.02

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Solution

The fourth proportional to 220,141.17, 303,795 and 124,648.02 is: 172,014.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,141.17 : 303,795 = 124,648.02 : x
  2. Step 2: Convert to fraction form
    220,141.17/303,795 = 124,648.02/x
  3. Step 3: Cross multiply
    220,141.17x = 303,795 × 124,648.02
  4. Step 4: Simplify right side
    220,141.17x = 37,867,445,235.90
  5. Step 5: Solve for x
    x = 37,867,445,235.90/220,141.17
  6. Step 6: Final answer
    x = 172,014.37

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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.