Home / 194,954.28-269,037.72-105,530.28

Finding the Fourth Proportional to 194,954.28, 269,037.72 and 105,530.28

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Solution

The fourth proportional to 194,954.28, 269,037.72 and 105,530.28 is: 145,632.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,954.28 : 269,037.72 = 105,530.28 : x
  2. Step 2: Convert to fraction form
    194,954.28/269,037.72 = 105,530.28/x
  3. Step 3: Cross multiply
    194,954.28x = 269,037.72 × 105,530.28
  4. Step 4: Simplify right side
    194,954.28x = 28,391,625,922.16
  5. Step 5: Solve for x
    x = 28,391,625,922.16/194,954.28
  6. Step 6: Final answer
    x = 145,632.23

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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.