Home / 230,351.15-345,544.22-78,501.04

Finding the Fourth Proportional to 230,351.15, 345,544.22 and 78,501.04

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Solution

The fourth proportional to 230,351.15, 345,544.22 and 78,501.04 is: 117,757.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,351.15 : 345,544.22 = 78,501.04 : x
  2. Step 2: Convert to fraction form
    230,351.15/345,544.22 = 78,501.04/x
  3. Step 3: Cross multiply
    230,351.15x = 345,544.22 × 78,501.04
  4. Step 4: Simplify right side
    230,351.15x = 27,125,580,635.99
  5. Step 5: Solve for x
    x = 27,125,580,635.99/230,351.15
  6. Step 6: Final answer
    x = 117,757.52

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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.