Home / 240,781.08-361,199.28-140,942.18

Finding the Fourth Proportional to 240,781.08, 361,199.28 and 140,942.18

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Solution

The fourth proportional to 240,781.08, 361,199.28 and 140,942.18 is: 211,429.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,781.08 : 361,199.28 = 140,942.18 : x
  2. Step 2: Convert to fraction form
    240,781.08/361,199.28 = 140,942.18/x
  3. Step 3: Cross multiply
    240,781.08x = 361,199.28 × 140,942.18
  4. Step 4: Simplify right side
    240,781.08x = 50,908,213,937.63
  5. Step 5: Solve for x
    x = 50,908,213,937.63/240,781.08
  6. Step 6: Final answer
    x = 211,429.46

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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.