Home / 149,057.20-223,585.80-38,249.20

Finding the Fourth Proportional to 149,057.20, 223,585.80 and 38,249.20

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Solution

The fourth proportional to 149,057.20, 223,585.80 and 38,249.20 is: 57,373.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,057.20 : 223,585.80 = 38,249.20 : x
  2. Step 2: Convert to fraction form
    149,057.20/223,585.80 = 38,249.20/x
  3. Step 3: Cross multiply
    149,057.20x = 223,585.80 × 38,249.20
  4. Step 4: Simplify right side
    149,057.20x = 8,551,977,981.36
  5. Step 5: Solve for x
    x = 8,551,977,981.36/149,057.20
  6. Step 6: Final answer
    x = 57,373.80

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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.