Home / 106,851.30-160,314.12-40,310.61

Finding the Fourth Proportional to 106,851.30, 160,314.12 and 40,310.61

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Solution

The fourth proportional to 106,851.30, 160,314.12 and 40,310.61 is: 60,479.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,851.30 : 160,314.12 = 40,310.61 : x
  2. Step 2: Convert to fraction form
    106,851.30/160,314.12 = 40,310.61/x
  3. Step 3: Cross multiply
    106,851.30x = 160,314.12 × 40,310.61
  4. Step 4: Simplify right side
    106,851.30x = 6,462,359,968.81
  5. Step 5: Solve for x
    x = 6,462,359,968.81/106,851.30
  6. Step 6: Final answer
    x = 60,479.94

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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.