Home / 106,915.03-147,542.92-59,168.39

Finding the Fourth Proportional to 106,915.03, 147,542.92 and 59,168.39

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Solution

The fourth proportional to 106,915.03, 147,542.92 and 59,168.39 is: 81,652.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,915.03 : 147,542.92 = 59,168.39 : x
  2. Step 2: Convert to fraction form
    106,915.03/147,542.92 = 59,168.39/x
  3. Step 3: Cross multiply
    106,915.03x = 147,542.92 × 59,168.39
  4. Step 4: Simplify right side
    106,915.03x = 8,729,876,146.66
  5. Step 5: Solve for x
    x = 8,729,876,146.66/106,915.03
  6. Step 6: Final answer
    x = 81,652.47

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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.