Home / 115,934.88-160,808.66-112,862.15

Finding the Fourth Proportional to 115,934.88, 160,808.66 and 112,862.15

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Solution

The fourth proportional to 115,934.88, 160,808.66 and 112,862.15 is: 156,546.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,934.88 : 160,808.66 = 112,862.15 : x
  2. Step 2: Convert to fraction form
    115,934.88/160,808.66 = 112,862.15/x
  3. Step 3: Cross multiply
    115,934.88x = 160,808.66 × 112,862.15
  4. Step 4: Simplify right side
    115,934.88x = 18,149,211,106.22
  5. Step 5: Solve for x
    x = 18,149,211,106.22/115,934.88
  6. Step 6: Final answer
    x = 156,546.60

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.