Home / 187,266.24-280,743.84-130,945.36

Finding the Fourth Proportional to 187,266.24, 280,743.84 and 130,945.36

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Solution

The fourth proportional to 187,266.24, 280,743.84 and 130,945.36 is: 196,309.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,266.24 : 280,743.84 = 130,945.36 : x
  2. Step 2: Convert to fraction form
    187,266.24/280,743.84 = 130,945.36/x
  3. Step 3: Cross multiply
    187,266.24x = 280,743.84 × 130,945.36
  4. Step 4: Simplify right side
    187,266.24x = 36,762,103,196.58
  5. Step 5: Solve for x
    x = 36,762,103,196.58/187,266.24
  6. Step 6: Final answer
    x = 196,309.29

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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.