Home / 146,306.40-219,718.80-113,107.20

Finding the Fourth Proportional to 146,306.40, 219,718.80 and 113,107.20

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Solution

The fourth proportional to 146,306.40, 219,718.80 and 113,107.20 is: 169,861.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,306.40 : 219,718.80 = 113,107.20 : x
  2. Step 2: Convert to fraction form
    146,306.40/219,718.80 = 113,107.20/x
  3. Step 3: Cross multiply
    146,306.40x = 219,718.80 × 113,107.20
  4. Step 4: Simplify right side
    146,306.40x = 24,851,778,255.36
  5. Step 5: Solve for x
    x = 24,851,778,255.36/146,306.40
  6. Step 6: Final answer
    x = 169,861.18

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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.