Home / 240,948.20-361,163.10-91,130.60

Finding the Fourth Proportional to 240,948.20, 361,163.10 and 91,130.60

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Solution

The fourth proportional to 240,948.20, 361,163.10 and 91,130.60 is: 136,597.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,948.20 : 361,163.10 = 91,130.60 : x
  2. Step 2: Convert to fraction form
    240,948.20/361,163.10 = 91,130.60/x
  3. Step 3: Cross multiply
    240,948.20x = 361,163.10 × 91,130.60
  4. Step 4: Simplify right side
    240,948.20x = 32,913,010,000.86
  5. Step 5: Solve for x
    x = 32,913,010,000.86/240,948.20
  6. Step 6: Final answer
    x = 136,597.87

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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.