Home / 134,722.11-185,912.22-74,295.30

Finding the Fourth Proportional to 134,722.11, 185,912.22 and 74,295.30

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Solution

The fourth proportional to 134,722.11, 185,912.22 and 74,295.30 is: 102,525.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,722.11 : 185,912.22 = 74,295.30 : x
  2. Step 2: Convert to fraction form
    134,722.11/185,912.22 = 74,295.30/x
  3. Step 3: Cross multiply
    134,722.11x = 185,912.22 × 74,295.30
  4. Step 4: Simplify right side
    134,722.11x = 13,812,404,158.57
  5. Step 5: Solve for x
    x = 13,812,404,158.57/134,722.11
  6. Step 6: Final answer
    x = 102,525.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.