Home / 260,763.02-391,081.31-71,224.27

Finding the Fourth Proportional to 260,763.02, 391,081.31 and 71,224.27

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Solution

The fourth proportional to 260,763.02, 391,081.31 and 71,224.27 is: 106,819.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,763.02 : 391,081.31 = 71,224.27 : x
  2. Step 2: Convert to fraction form
    260,763.02/391,081.31 = 71,224.27/x
  3. Step 3: Cross multiply
    260,763.02x = 391,081.31 × 71,224.27
  4. Step 4: Simplify right side
    260,763.02x = 27,854,482,899.09
  5. Step 5: Solve for x
    x = 27,854,482,899.09/260,763.02
  6. Step 6: Final answer
    x = 106,819.14

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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.