Home / 147,195.30-220,355.55-131,448.90

Finding the Fourth Proportional to 147,195.30, 220,355.55 and 131,448.90

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Solution

The fourth proportional to 147,195.30, 220,355.55 and 131,448.90 is: 196,782.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,195.30 : 220,355.55 = 131,448.90 : x
  2. Step 2: Convert to fraction form
    147,195.30/220,355.55 = 131,448.90/x
  3. Step 3: Cross multiply
    147,195.30x = 220,355.55 × 131,448.90
  4. Step 4: Simplify right side
    147,195.30x = 28,965,494,656.40
  5. Step 5: Solve for x
    x = 28,965,494,656.40/147,195.30
  6. Step 6: Final answer
    x = 196,782.74

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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.