Home / 106,526.85-147,006.90-58,780.19

Finding the Fourth Proportional to 106,526.85, 147,006.90 and 58,780.19

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Solution

The fourth proportional to 106,526.85, 147,006.90 and 58,780.19 is: 81,116.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,526.85 : 147,006.90 = 58,780.19 : x
  2. Step 2: Convert to fraction form
    106,526.85/147,006.90 = 58,780.19/x
  3. Step 3: Cross multiply
    106,526.85x = 147,006.90 × 58,780.19
  4. Step 4: Simplify right side
    106,526.85x = 8,641,092,778.28
  5. Step 5: Solve for x
    x = 8,641,092,778.28/106,526.85
  6. Step 6: Final answer
    x = 81,116.57

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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.