Home / 147,025.80-220,538.70-134,584.20

Finding the Fourth Proportional to 147,025.80, 220,538.70 and 134,584.20

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Solution

The fourth proportional to 147,025.80, 220,538.70 and 134,584.20 is: 201,876.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,025.80 : 220,538.70 = 134,584.20 : x
  2. Step 2: Convert to fraction form
    147,025.80/220,538.70 = 134,584.20/x
  3. Step 3: Cross multiply
    147,025.80x = 220,538.70 × 134,584.20
  4. Step 4: Simplify right side
    147,025.80x = 29,681,024,508.54
  5. Step 5: Solve for x
    x = 29,681,024,508.54/147,025.80
  6. Step 6: Final answer
    x = 201,876.30

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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.