Home / 116,117.78-160,257.36-68,375.57

Finding the Fourth Proportional to 116,117.78, 160,257.36 and 68,375.57

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Solution

The fourth proportional to 116,117.78, 160,257.36 and 68,375.57 is: 94,367.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,117.78 : 160,257.36 = 68,375.57 : x
  2. Step 2: Convert to fraction form
    116,117.78/160,257.36 = 68,375.57/x
  3. Step 3: Cross multiply
    116,117.78x = 160,257.36 × 68,375.57
  4. Step 4: Simplify right side
    116,117.78x = 10,957,687,535.41
  5. Step 5: Solve for x
    x = 10,957,687,535.41/116,117.78
  6. Step 6: Final answer
    x = 94,367.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.