Home / 154,967.20-232,450.80-109,696.30

Finding the Fourth Proportional to 154,967.20, 232,450.80 and 109,696.30

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Solution

The fourth proportional to 154,967.20, 232,450.80 and 109,696.30 is: 164,544.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,967.20 : 232,450.80 = 109,696.30 : x
  2. Step 2: Convert to fraction form
    154,967.20/232,450.80 = 109,696.30/x
  3. Step 3: Cross multiply
    154,967.20x = 232,450.80 × 109,696.30
  4. Step 4: Simplify right side
    154,967.20x = 25,498,992,692.04
  5. Step 5: Solve for x
    x = 25,498,992,692.04/154,967.20
  6. Step 6: Final answer
    x = 164,544.45

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1.5x scale

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.