Home / 106,876.90-160,315.35-27,999.10

Finding the Fourth Proportional to 106,876.90, 160,315.35 and 27,999.10

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Solution

The fourth proportional to 106,876.90, 160,315.35 and 27,999.10 is: 41,998.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,876.90 : 160,315.35 = 27,999.10 : x
  2. Step 2: Convert to fraction form
    106,876.90/160,315.35 = 27,999.10/x
  3. Step 3: Cross multiply
    106,876.90x = 160,315.35 × 27,999.10
  4. Step 4: Simplify right side
    106,876.90x = 4,488,685,516.19
  5. Step 5: Solve for x
    x = 4,488,685,516.19/106,876.90
  6. Step 6: Final answer
    x = 41,998.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.