Home / 146,376.56-202,000.38-79,308.56

Finding the Fourth Proportional to 146,376.56, 202,000.38 and 79,308.56

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Solution

The fourth proportional to 146,376.56, 202,000.38 and 79,308.56 is: 109,446.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,376.56 : 202,000.38 = 79,308.56 : x
  2. Step 2: Convert to fraction form
    146,376.56/202,000.38 = 79,308.56/x
  3. Step 3: Cross multiply
    146,376.56x = 202,000.38 × 79,308.56
  4. Step 4: Simplify right side
    146,376.56x = 16,020,359,257.25
  5. Step 5: Solve for x
    x = 16,020,359,257.25/146,376.56
  6. Step 6: Final answer
    x = 109,446.21

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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.