Home / 134,517.12-201,882.24-75,341.76

Finding the Fourth Proportional to 134,517.12, 201,882.24 and 75,341.76

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Solution

The fourth proportional to 134,517.12, 201,882.24 and 75,341.76 is: 113,072.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,517.12 : 201,882.24 = 75,341.76 : x
  2. Step 2: Convert to fraction form
    134,517.12/201,882.24 = 75,341.76/x
  3. Step 3: Cross multiply
    134,517.12x = 201,882.24 × 75,341.76
  4. Step 4: Simplify right side
    134,517.12x = 15,210,163,274.34
  5. Step 5: Solve for x
    x = 15,210,163,274.34/134,517.12
  6. Step 6: Final answer
    x = 113,072.32

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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.