Home / 106,520.44-147,002.96-61,213.08

Finding the Fourth Proportional to 106,520.44, 147,002.96 and 61,213.08

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Solution

The fourth proportional to 106,520.44, 147,002.96 and 61,213.08 is: 84,476.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,520.44 : 147,002.96 = 61,213.08 : x
  2. Step 2: Convert to fraction form
    106,520.44/147,002.96 = 61,213.08/x
  3. Step 3: Cross multiply
    106,520.44x = 147,002.96 × 61,213.08
  4. Step 4: Simplify right side
    106,520.44x = 8,998,503,950.72
  5. Step 5: Solve for x
    x = 8,998,503,950.72/106,520.44
  6. Step 6: Final answer
    x = 84,476.78

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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.