Home / 154,972.20-232,458.30-109,701.30

Finding the Fourth Proportional to 154,972.20, 232,458.30 and 109,701.30

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Solution

The fourth proportional to 154,972.20, 232,458.30 and 109,701.30 is: 164,551.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,972.20 : 232,458.30 = 109,701.30 : x
  2. Step 2: Convert to fraction form
    154,972.20/232,458.30 = 109,701.30/x
  3. Step 3: Cross multiply
    154,972.20x = 232,458.30 × 109,701.30
  4. Step 4: Simplify right side
    154,972.20x = 25,500,977,705.79
  5. Step 5: Solve for x
    x = 25,500,977,705.79/154,972.20
  6. Step 6: Final answer
    x = 164,551.95

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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.