Home / 146,749.80-219,869.55-67,701.90

Finding the Fourth Proportional to 146,749.80, 219,869.55 and 67,701.90

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Solution

The fourth proportional to 146,749.80, 219,869.55 and 67,701.90 is: 101,435.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,749.80 : 219,869.55 = 67,701.90 : x
  2. Step 2: Convert to fraction form
    146,749.80/219,869.55 = 67,701.90/x
  3. Step 3: Cross multiply
    146,749.80x = 219,869.55 × 67,701.90
  4. Step 4: Simplify right side
    146,749.80x = 14,885,586,287.15
  5. Step 5: Solve for x
    x = 14,885,586,287.15/146,749.80
  6. Step 6: Final answer
    x = 101,435.14

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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.