Home / 276,185.53-381,140.13-168,732.75

Finding the Fourth Proportional to 276,185.53, 381,140.13 and 168,732.75

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Solution

The fourth proportional to 276,185.53, 381,140.13 and 168,732.75 is: 232,853.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,185.53 : 381,140.13 = 168,732.75 : x
  2. Step 2: Convert to fraction form
    276,185.53/381,140.13 = 168,732.75/x
  3. Step 3: Cross multiply
    276,185.53x = 381,140.13 × 168,732.75
  4. Step 4: Simplify right side
    276,185.53x = 64,310,824,332.28
  5. Step 5: Solve for x
    x = 64,310,824,332.28/276,185.53
  6. Step 6: Final answer
    x = 232,853.71

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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.