Home / 106,660.88-147,179.40-58,911.38

Finding the Fourth Proportional to 106,660.88, 147,179.40 and 58,911.38

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Solution

The fourth proportional to 106,660.88, 147,179.40 and 58,911.38 is: 81,290.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,660.88 : 147,179.40 = 58,911.38 : x
  2. Step 2: Convert to fraction form
    106,660.88/147,179.40 = 58,911.38/x
  3. Step 3: Cross multiply
    106,660.88x = 147,179.40 × 58,911.38
  4. Step 4: Simplify right side
    106,660.88x = 8,670,541,561.57
  5. Step 5: Solve for x
    x = 8,670,541,561.57/106,660.88
  6. Step 6: Final answer
    x = 81,290.74

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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.