Home / 135,414.18-203,113.17-46,665.72

Finding the Fourth Proportional to 135,414.18, 203,113.17 and 46,665.72

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Solution

The fourth proportional to 135,414.18, 203,113.17 and 46,665.72 is: 69,995.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,414.18 : 203,113.17 = 46,665.72 : x
  2. Step 2: Convert to fraction form
    135,414.18/203,113.17 = 46,665.72/x
  3. Step 3: Cross multiply
    135,414.18x = 203,113.17 × 46,665.72
  4. Step 4: Simplify right side
    135,414.18x = 9,478,422,319.53
  5. Step 5: Solve for x
    x = 9,478,422,319.53/135,414.18
  6. Step 6: Final answer
    x = 69,995.79

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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.