Home / 149,546.58-224,344.18-49,689.78

Finding the Fourth Proportional to 149,546.58, 224,344.18 and 49,689.78

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Solution

The fourth proportional to 149,546.58, 224,344.18 and 49,689.78 is: 74,542.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,546.58 : 224,344.18 = 49,689.78 : x
  2. Step 2: Convert to fraction form
    149,546.58/224,344.18 = 49,689.78/x
  3. Step 3: Cross multiply
    149,546.58x = 224,344.18 × 49,689.78
  4. Step 4: Simplify right side
    149,546.58x = 11,147,612,948.48
  5. Step 5: Solve for x
    x = 11,147,612,948.48/149,546.58
  6. Step 6: Final answer
    x = 74,542.75

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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.