Home / 252,445.68-348,370.20-137,719.44

Finding the Fourth Proportional to 252,445.68, 348,370.20 and 137,719.44

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Solution

The fourth proportional to 252,445.68, 348,370.20 and 137,719.44 is: 190,050.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,445.68 : 348,370.20 = 137,719.44 : x
  2. Step 2: Convert to fraction form
    252,445.68/348,370.20 = 137,719.44/x
  3. Step 3: Cross multiply
    252,445.68x = 348,370.20 × 137,719.44
  4. Step 4: Simplify right side
    252,445.68x = 47,977,348,856.69
  5. Step 5: Solve for x
    x = 47,977,348,856.69/252,445.68
  6. Step 6: Final answer
    x = 190,050.19

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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.