Home / 149,107.14-223,732.40-74,233.78

Finding the Fourth Proportional to 149,107.14, 223,732.40 and 74,233.78

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Solution

The fourth proportional to 149,107.14, 223,732.40 and 74,233.78 is: 111,386.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,107.14 : 223,732.40 = 74,233.78 : x
  2. Step 2: Convert to fraction form
    149,107.14/223,732.40 = 74,233.78/x
  3. Step 3: Cross multiply
    149,107.14x = 223,732.40 × 74,233.78
  4. Step 4: Simplify right side
    149,107.14x = 16,608,501,760.47
  5. Step 5: Solve for x
    x = 16,608,501,760.47/149,107.14
  6. Step 6: Final answer
    x = 111,386.36

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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.