Home / 170,876.18-256,406.82-71,105.24

Finding the Fourth Proportional to 170,876.18, 256,406.82 and 71,105.24

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Solution

The fourth proportional to 170,876.18, 256,406.82 and 71,105.24 is: 106,696.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,876.18 : 256,406.82 = 71,105.24 : x
  2. Step 2: Convert to fraction form
    170,876.18/256,406.82 = 71,105.24/x
  3. Step 3: Cross multiply
    170,876.18x = 256,406.82 × 71,105.24
  4. Step 4: Simplify right side
    170,876.18x = 18,231,868,848.11
  5. Step 5: Solve for x
    x = 18,231,868,848.11/170,876.18
  6. Step 6: Final answer
    x = 106,696.37

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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.