Home / 170,819.10-256,301.55-82,026.90

Finding the Fourth Proportional to 170,819.10, 256,301.55 and 82,026.90

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Solution

The fourth proportional to 170,819.10, 256,301.55 and 82,026.90 is: 123,075.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,819.10 : 256,301.55 = 82,026.90 : x
  2. Step 2: Convert to fraction form
    170,819.10/256,301.55 = 82,026.90/x
  3. Step 3: Cross multiply
    170,819.10x = 256,301.55 × 82,026.90
  4. Step 4: Simplify right side
    170,819.10x = 21,023,621,611.70
  5. Step 5: Solve for x
    x = 21,023,621,611.70/170,819.10
  6. Step 6: Final answer
    x = 123,075.36

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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.