Home / 147,752.79-221,651.06-54,251.25

Finding the Fourth Proportional to 147,752.79, 221,651.06 and 54,251.25

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Solution

The fourth proportional to 147,752.79, 221,651.06 and 54,251.25 is: 81,384.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,752.79 : 221,651.06 = 54,251.25 : x
  2. Step 2: Convert to fraction form
    147,752.79/221,651.06 = 54,251.25/x
  3. Step 3: Cross multiply
    147,752.79x = 221,651.06 × 54,251.25
  4. Step 4: Simplify right side
    147,752.79x = 12,024,846,797.57
  5. Step 5: Solve for x
    x = 12,024,846,797.57/147,752.79
  6. Step 6: Final answer
    x = 81,384.91

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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.