Home / 149,025.20-223,537.80-38,217.20

Finding the Fourth Proportional to 149,025.20, 223,537.80 and 38,217.20

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Solution

The fourth proportional to 149,025.20, 223,537.80 and 38,217.20 is: 57,325.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,025.20 : 223,537.80 = 38,217.20 : x
  2. Step 2: Convert to fraction form
    149,025.20/223,537.80 = 38,217.20/x
  3. Step 3: Cross multiply
    149,025.20x = 223,537.80 × 38,217.20
  4. Step 4: Simplify right side
    149,025.20x = 8,542,988,810.16
  5. Step 5: Solve for x
    x = 8,542,988,810.16/149,025.20
  6. Step 6: Final answer
    x = 57,325.80

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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.