Home / 194,490.36-268,418.16-112,836.60

Finding the Fourth Proportional to 194,490.36, 268,418.16 and 112,836.60

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Solution

The fourth proportional to 194,490.36, 268,418.16 and 112,836.60 is: 155,726.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,490.36 : 268,418.16 = 112,836.60 : x
  2. Step 2: Convert to fraction form
    194,490.36/268,418.16 = 112,836.60/x
  3. Step 3: Cross multiply
    194,490.36x = 268,418.16 × 112,836.60
  4. Step 4: Simplify right side
    194,490.36x = 30,287,392,552.66
  5. Step 5: Solve for x
    x = 30,287,392,552.66/194,490.36
  6. Step 6: Final answer
    x = 155,726.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.