Home / 146,817.40-220,233.30-76,833.40

Finding the Fourth Proportional to 146,817.40, 220,233.30 and 76,833.40

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Solution

The fourth proportional to 146,817.40, 220,233.30 and 76,833.40 is: 115,253.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,817.40 : 220,233.30 = 76,833.40 : x
  2. Step 2: Convert to fraction form
    146,817.40/220,233.30 = 76,833.40/x
  3. Step 3: Cross multiply
    146,817.40x = 220,233.30 × 76,833.40
  4. Step 4: Simplify right side
    146,817.40x = 16,921,273,232.22
  5. Step 5: Solve for x
    x = 16,921,273,232.22/146,817.40
  6. Step 6: Final answer
    x = 115,253.87

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1.5x scale

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.