Home / 140,560.30-210,937.65-101,145.70

Finding the Fourth Proportional to 140,560.30, 210,937.65 and 101,145.70

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Solution

The fourth proportional to 140,560.30, 210,937.65 and 101,145.70 is: 151,788.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,560.30 : 210,937.65 = 101,145.70 : x
  2. Step 2: Convert to fraction form
    140,560.30/210,937.65 = 101,145.70/x
  3. Step 3: Cross multiply
    140,560.30x = 210,937.65 × 101,145.70
  4. Step 4: Simplify right side
    140,560.30x = 21,335,436,265.61
  5. Step 5: Solve for x
    x = 21,335,436,265.61/140,560.30
  6. Step 6: Final answer
    x = 151,788.49

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1.5x scale

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.