Home / 146,028.71-218,959.22-57,178.19

Finding the Fourth Proportional to 146,028.71, 218,959.22 and 57,178.19

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Solution

The fourth proportional to 146,028.71, 218,959.22 and 57,178.19 is: 85,734.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,028.71 : 218,959.22 = 57,178.19 : x
  2. Step 2: Convert to fraction form
    146,028.71/218,959.22 = 57,178.19/x
  3. Step 3: Cross multiply
    146,028.71x = 218,959.22 × 57,178.19
  4. Step 4: Simplify right side
    146,028.71x = 12,519,690,502.72
  5. Step 5: Solve for x
    x = 12,519,690,502.72/146,028.71
  6. Step 6: Final answer
    x = 85,734.45

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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.