Home / 175,074.30-262,611.45-86,500.80

Finding the Fourth Proportional to 175,074.30, 262,611.45 and 86,500.80

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Solution

The fourth proportional to 175,074.30, 262,611.45 and 86,500.80 is: 129,751.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,074.30 : 262,611.45 = 86,500.80 : x
  2. Step 2: Convert to fraction form
    175,074.30/262,611.45 = 86,500.80/x
  3. Step 3: Cross multiply
    175,074.30x = 262,611.45 × 86,500.80
  4. Step 4: Simplify right side
    175,074.30x = 22,716,100,514.16
  5. Step 5: Solve for x
    x = 22,716,100,514.16/175,074.30
  6. Step 6: Final answer
    x = 129,751.20

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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.