Home / 154,192.20-230,942.70-91,984.20

Finding the Fourth Proportional to 154,192.20, 230,942.70 and 91,984.20

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Solution

The fourth proportional to 154,192.20, 230,942.70 and 91,984.20 is: 137,770.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,192.20 : 230,942.70 = 91,984.20 : x
  2. Step 2: Convert to fraction form
    154,192.20/230,942.70 = 91,984.20/x
  3. Step 3: Cross multiply
    154,192.20x = 230,942.70 × 91,984.20
  4. Step 4: Simplify right side
    154,192.20x = 21,243,079,505.34
  5. Step 5: Solve for x
    x = 21,243,079,505.34/154,192.20
  6. Step 6: Final answer
    x = 137,770.13

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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.