Home / 154,541.52-231,812.28-84,382.56

Finding the Fourth Proportional to 154,541.52, 231,812.28 and 84,382.56

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Solution

The fourth proportional to 154,541.52, 231,812.28 and 84,382.56 is: 126,573.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,541.52 : 231,812.28 = 84,382.56 : x
  2. Step 2: Convert to fraction form
    154,541.52/231,812.28 = 84,382.56/x
  3. Step 3: Cross multiply
    154,541.52x = 231,812.28 × 84,382.56
  4. Step 4: Simplify right side
    154,541.52x = 19,560,913,625.84
  5. Step 5: Solve for x
    x = 19,560,913,625.84/154,541.52
  6. Step 6: Final answer
    x = 126,573.84

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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.