Home / 106,851.18-160,217.54-43,715.61

Finding the Fourth Proportional to 106,851.18, 160,217.54 and 43,715.61

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Solution

The fourth proportional to 106,851.18, 160,217.54 and 43,715.61 is: 65,549.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,851.18 : 160,217.54 = 43,715.61 : x
  2. Step 2: Convert to fraction form
    106,851.18/160,217.54 = 43,715.61/x
  3. Step 3: Cross multiply
    106,851.18x = 160,217.54 × 43,715.61
  4. Step 4: Simplify right side
    106,851.18x = 7,004,007,275.22
  5. Step 5: Solve for x
    x = 7,004,007,275.22/106,851.18
  6. Step 6: Final answer
    x = 65,549.18

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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.