Home / 187,077.25-280,685.59-112,251.10

Finding the Fourth Proportional to 187,077.25, 280,685.59 and 112,251.10

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Solution

The fourth proportional to 187,077.25, 280,685.59 and 112,251.10 is: 168,418.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,077.25 : 280,685.59 = 112,251.10 : x
  2. Step 2: Convert to fraction form
    187,077.25/280,685.59 = 112,251.10/x
  3. Step 3: Cross multiply
    187,077.25x = 280,685.59 × 112,251.10
  4. Step 4: Simplify right side
    187,077.25x = 31,507,266,231.65
  5. Step 5: Solve for x
    x = 31,507,266,231.65/187,077.25
  6. Step 6: Final answer
    x = 168,418.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.