Home / 187,359.75-281,018.97-47,118.38

Finding the Fourth Proportional to 187,359.75, 281,018.97 and 47,118.38

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Solution

The fourth proportional to 187,359.75, 281,018.97 and 47,118.38 is: 70,672.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,359.75 : 281,018.97 = 47,118.38 : x
  2. Step 2: Convert to fraction form
    187,359.75/281,018.97 = 47,118.38/x
  3. Step 3: Cross multiply
    187,359.75x = 281,018.97 × 47,118.38
  4. Step 4: Simplify right side
    187,359.75x = 13,241,157,210.57
  5. Step 5: Solve for x
    x = 13,241,157,210.57/187,359.75
  6. Step 6: Final answer
    x = 70,672.37

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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.