Home / 194,230.71-268,075.61-109,347.78

Finding the Fourth Proportional to 194,230.71, 268,075.61 and 109,347.78

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Solution

The fourth proportional to 194,230.71, 268,075.61 and 109,347.78 is: 150,920.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,230.71 : 268,075.61 = 109,347.78 : x
  2. Step 2: Convert to fraction form
    194,230.71/268,075.61 = 109,347.78/x
  3. Step 3: Cross multiply
    194,230.71x = 268,075.61 × 109,347.78
  4. Step 4: Simplify right side
    194,230.71x = 29,313,472,047.44
  5. Step 5: Solve for x
    x = 29,313,472,047.44/194,230.71
  6. Step 6: Final answer
    x = 150,920.89

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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.