Home / 154,246.80-230,981.40-114,589.20

Finding the Fourth Proportional to 154,246.80, 230,981.40 and 114,589.20

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Solution

The fourth proportional to 154,246.80, 230,981.40 and 114,589.20 is: 171,594.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,246.80 : 230,981.40 = 114,589.20 : x
  2. Step 2: Convert to fraction form
    154,246.80/230,981.40 = 114,589.20/x
  3. Step 3: Cross multiply
    154,246.80x = 230,981.40 × 114,589.20
  4. Step 4: Simplify right side
    154,246.80x = 26,467,973,840.88
  5. Step 5: Solve for x
    x = 26,467,973,840.88/154,246.80
  6. Step 6: Final answer
    x = 171,594.96

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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.