Home / 239,103.45-330,052.23-158,557.95

Finding the Fourth Proportional to 239,103.45, 330,052.23 and 158,557.95

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Solution

The fourth proportional to 239,103.45, 330,052.23 and 158,557.95 is: 218,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,103.45 : 330,052.23 = 158,557.95 : x
  2. Step 2: Convert to fraction form
    239,103.45/330,052.23 = 158,557.95/x
  3. Step 3: Cross multiply
    239,103.45x = 330,052.23 × 158,557.95
  4. Step 4: Simplify right side
    239,103.45x = 52,332,404,981.73
  5. Step 5: Solve for x
    x = 52,332,404,981.73/239,103.45
  6. Step 6: Final answer
    x = 218,869.30

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1.5x scale

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.