Home / 186,517.71-279,542.48-146,918.43

Finding the Fourth Proportional to 186,517.71, 279,542.48 and 146,918.43

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Solution

The fourth proportional to 186,517.71, 279,542.48 and 146,918.43 is: 220,193.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,517.71 : 279,542.48 = 146,918.43 : x
  2. Step 2: Convert to fraction form
    186,517.71/279,542.48 = 146,918.43/x
  3. Step 3: Cross multiply
    186,517.71x = 279,542.48 × 146,918.43
  4. Step 4: Simplify right side
    186,517.71x = 41,069,941,545.31
  5. Step 5: Solve for x
    x = 41,069,941,545.31/186,517.71
  6. Step 6: Final answer
    x = 220,193.25

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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.