Home / 140,997.90-194,584.23-77,341.62

Finding the Fourth Proportional to 140,997.90, 194,584.23 and 77,341.62

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Solution

The fourth proportional to 140,997.90, 194,584.23 and 77,341.62 is: 106,735.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,997.90 : 194,584.23 = 77,341.62 : x
  2. Step 2: Convert to fraction form
    140,997.90/194,584.23 = 77,341.62/x
  3. Step 3: Cross multiply
    140,997.90x = 194,584.23 × 77,341.62
  4. Step 4: Simplify right side
    140,997.90x = 15,049,459,574.65
  5. Step 5: Solve for x
    x = 15,049,459,574.65/140,997.90
  6. Step 6: Final answer
    x = 106,735.35

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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.