Home / 134,211.72-201,339.42-49,972.20

Finding the Fourth Proportional to 134,211.72, 201,339.42 and 49,972.20

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Solution

The fourth proportional to 134,211.72, 201,339.42 and 49,972.20 is: 74,966.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,211.72 : 201,339.42 = 49,972.20 : x
  2. Step 2: Convert to fraction form
    134,211.72/201,339.42 = 49,972.20/x
  3. Step 3: Cross multiply
    134,211.72x = 201,339.42 × 49,972.20
  4. Step 4: Simplify right side
    134,211.72x = 10,061,373,764.12
  5. Step 5: Solve for x
    x = 10,061,373,764.12/134,211.72
  6. Step 6: Final answer
    x = 74,966.43

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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.