Home / 154,754.21-232,121.76-54,901.25

Finding the Fourth Proportional to 154,754.21, 232,121.76 and 54,901.25

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Solution

The fourth proportional to 154,754.21, 232,121.76 and 54,901.25 is: 82,348.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,754.21 : 232,121.76 = 54,901.25 : x
  2. Step 2: Convert to fraction form
    154,754.21/232,121.76 = 54,901.25/x
  3. Step 3: Cross multiply
    154,754.21x = 232,121.76 × 54,901.25
  4. Step 4: Simplify right side
    154,754.21x = 12,743,774,776.20
  5. Step 5: Solve for x
    x = 12,743,774,776.20/154,754.21
  6. Step 6: Final answer
    x = 82,348.49

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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.