Home / 147,616.20-221,424.30-102,345.30

Finding the Fourth Proportional to 147,616.20, 221,424.30 and 102,345.30

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Solution

The fourth proportional to 147,616.20, 221,424.30 and 102,345.30 is: 153,517.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,616.20 : 221,424.30 = 102,345.30 : x
  2. Step 2: Convert to fraction form
    147,616.20/221,424.30 = 102,345.30/x
  3. Step 3: Cross multiply
    147,616.20x = 221,424.30 × 102,345.30
  4. Step 4: Simplify right side
    147,616.20x = 22,661,736,410.79
  5. Step 5: Solve for x
    x = 22,661,736,410.79/147,616.20
  6. Step 6: Final answer
    x = 153,517.95

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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.