Home / 134,081.10-201,121.65-127,520.10

Finding the Fourth Proportional to 134,081.10, 201,121.65 and 127,520.10

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Solution

The fourth proportional to 134,081.10, 201,121.65 and 127,520.10 is: 191,280.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,081.10 : 201,121.65 = 127,520.10 : x
  2. Step 2: Convert to fraction form
    134,081.10/201,121.65 = 127,520.10/x
  3. Step 3: Cross multiply
    134,081.10x = 201,121.65 × 127,520.10
  4. Step 4: Simplify right side
    134,081.10x = 25,647,052,920.17
  5. Step 5: Solve for x
    x = 25,647,052,920.17/134,081.10
  6. Step 6: Final answer
    x = 191,280.15

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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.