Home / 140,215.88-193,520.14-89,175.40

Finding the Fourth Proportional to 140,215.88, 193,520.14 and 89,175.40

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Solution

The fourth proportional to 140,215.88, 193,520.14 and 89,175.40 is: 123,076.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,215.88 : 193,520.14 = 89,175.40 : x
  2. Step 2: Convert to fraction form
    140,215.88/193,520.14 = 89,175.40/x
  3. Step 3: Cross multiply
    140,215.88x = 193,520.14 × 89,175.40
  4. Step 4: Simplify right side
    140,215.88x = 17,257,235,892.56
  5. Step 5: Solve for x
    x = 17,257,235,892.56/140,215.88
  6. Step 6: Final answer
    x = 123,076.19

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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.