Home / 140,922.10-211,387.20-35,740.90

Finding the Fourth Proportional to 140,922.10, 211,387.20 and 35,740.90

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Solution

The fourth proportional to 140,922.10, 211,387.20 and 35,740.90 is: 53,612.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,922.10 : 211,387.20 = 35,740.90 : x
  2. Step 2: Convert to fraction form
    140,922.10/211,387.20 = 35,740.90/x
  3. Step 3: Cross multiply
    140,922.10x = 211,387.20 × 35,740.90
  4. Step 4: Simplify right side
    140,922.10x = 7,555,168,776.48
  5. Step 5: Solve for x
    x = 7,555,168,776.48/140,922.10
  6. Step 6: Final answer
    x = 53,612.38

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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.