Home / 134,560.24-201,872.08-75,436.72

Finding the Fourth Proportional to 134,560.24, 201,872.08 and 75,436.72

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Solution

The fourth proportional to 134,560.24, 201,872.08 and 75,436.72 is: 113,172.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,560.24 : 201,872.08 = 75,436.72 : x
  2. Step 2: Convert to fraction form
    134,560.24/201,872.08 = 75,436.72/x
  3. Step 3: Cross multiply
    134,560.24x = 201,872.08 × 75,436.72
  4. Step 4: Simplify right side
    134,560.24x = 15,228,567,574.78
  5. Step 5: Solve for x
    x = 15,228,567,574.78/134,560.24
  6. Step 6: Final answer
    x = 113,172.86

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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.