Home / 106,638.13-147,160.12-58,891.27

Finding the Fourth Proportional to 106,638.13, 147,160.12 and 58,891.27

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Solution

The fourth proportional to 106,638.13, 147,160.12 and 58,891.27 is: 81,269.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,638.13 : 147,160.12 = 58,891.27 : x
  2. Step 2: Convert to fraction form
    106,638.13/147,160.12 = 58,891.27/x
  3. Step 3: Cross multiply
    106,638.13x = 147,160.12 × 58,891.27
  4. Step 4: Simplify right side
    106,638.13x = 8,666,446,360.15
  5. Step 5: Solve for x
    x = 8,666,446,360.15/106,638.13
  6. Step 6: Final answer
    x = 81,269.68

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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.