Home / 140,759.91-194,246.81-77,097.76

Finding the Fourth Proportional to 140,759.91, 194,246.81 and 77,097.76

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Solution

The fourth proportional to 140,759.91, 194,246.81 and 77,097.76 is: 106,393.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,759.91 : 194,246.81 = 77,097.76 : x
  2. Step 2: Convert to fraction form
    140,759.91/194,246.81 = 77,097.76/x
  3. Step 3: Cross multiply
    140,759.91x = 194,246.81 × 77,097.76
  4. Step 4: Simplify right side
    140,759.91x = 14,975,993,356.16
  5. Step 5: Solve for x
    x = 14,975,993,356.16/140,759.91
  6. Step 6: Final answer
    x = 106,393.88

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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.