Home / 186,515.46-279,539.10-146,916.18

Finding the Fourth Proportional to 186,515.46, 279,539.10 and 146,916.18

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Solution

The fourth proportional to 186,515.46, 279,539.10 and 146,916.18 is: 220,189.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,515.46 : 279,539.10 = 146,916.18 : x
  2. Step 2: Convert to fraction form
    186,515.46/279,539.10 = 146,916.18/x
  3. Step 3: Cross multiply
    186,515.46x = 279,539.10 × 146,916.18
  4. Step 4: Simplify right side
    186,515.46x = 41,068,816,732.64
  5. Step 5: Solve for x
    x = 41,068,816,732.64/186,515.46
  6. Step 6: Final answer
    x = 220,189.88

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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.