Home / 146,111.40-219,426.30-112,912.20

Finding the Fourth Proportional to 146,111.40, 219,426.30 and 112,912.20

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Solution

The fourth proportional to 146,111.40, 219,426.30 and 112,912.20 is: 169,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,111.40 : 219,426.30 = 112,912.20 : x
  2. Step 2: Convert to fraction form
    146,111.40/219,426.30 = 112,912.20/x
  3. Step 3: Cross multiply
    146,111.40x = 219,426.30 × 112,912.20
  4. Step 4: Simplify right side
    146,111.40x = 24,775,906,270.86
  5. Step 5: Solve for x
    x = 24,775,906,270.86/146,111.40
  6. Step 6: Final answer
    x = 169,568.60

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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.