Home / 187,918.92-281,877.12-45,762.48

Finding the Fourth Proportional to 187,918.92, 281,877.12 and 45,762.48

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Solution

The fourth proportional to 187,918.92, 281,877.12 and 45,762.48 is: 68,643.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,918.92 : 281,877.12 = 45,762.48 : x
  2. Step 2: Convert to fraction form
    187,918.92/281,877.12 = 45,762.48/x
  3. Step 3: Cross multiply
    187,918.92x = 281,877.12 × 45,762.48
  4. Step 4: Simplify right side
    187,918.92x = 12,899,396,066.46
  5. Step 5: Solve for x
    x = 12,899,396,066.46/187,918.92
  6. Step 6: Final answer
    x = 68,643.41

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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.