Home / 252,333.20-348,215.34-137,612.70

Finding the Fourth Proportional to 252,333.20, 348,215.34 and 137,612.70

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Solution

The fourth proportional to 252,333.20, 348,215.34 and 137,612.70 is: 189,903.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,333.20 : 348,215.34 = 137,612.70 : x
  2. Step 2: Convert to fraction form
    252,333.20/348,215.34 = 137,612.70/x
  3. Step 3: Cross multiply
    252,333.20x = 348,215.34 × 137,612.70
  4. Step 4: Simplify right side
    252,333.20x = 47,918,853,118.82
  5. Step 5: Solve for x
    x = 47,918,853,118.82/252,333.20
  6. Step 6: Final answer
    x = 189,903.08

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1.5x scale

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.