Home / 195,016.87-268,863.06-154,863.55

Finding the Fourth Proportional to 195,016.87, 268,863.06 and 154,863.55

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Solution

The fourth proportional to 195,016.87, 268,863.06 and 154,863.55 is: 213,505.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,016.87 : 268,863.06 = 154,863.55 : x
  2. Step 2: Convert to fraction form
    195,016.87/268,863.06 = 154,863.55/x
  3. Step 3: Cross multiply
    195,016.87x = 268,863.06 × 154,863.55
  4. Step 4: Simplify right side
    195,016.87x = 41,637,087,935.46
  5. Step 5: Solve for x
    x = 41,637,087,935.46/195,016.87
  6. Step 6: Final answer
    x = 213,505.06

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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.