Home / 147,934.62-221,880.06-54,418.50

Finding the Fourth Proportional to 147,934.62, 221,880.06 and 54,418.50

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Solution

The fourth proportional to 147,934.62, 221,880.06 and 54,418.50 is: 81,619.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,934.62 : 221,880.06 = 54,418.50 : x
  2. Step 2: Convert to fraction form
    147,934.62/221,880.06 = 54,418.50/x
  3. Step 3: Cross multiply
    147,934.62x = 221,880.06 × 54,418.50
  4. Step 4: Simplify right side
    147,934.62x = 12,074,380,045.11
  5. Step 5: Solve for x
    x = 12,074,380,045.11/147,934.62
  6. Step 6: Final answer
    x = 81,619.71

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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.