Home / 187,401.36-281,194.38-87,568.45

Finding the Fourth Proportional to 187,401.36, 281,194.38 and 87,568.45

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Solution

The fourth proportional to 187,401.36, 281,194.38 and 87,568.45 is: 131,395.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,401.36 : 281,194.38 = 87,568.45 : x
  2. Step 2: Convert to fraction form
    187,401.36/281,194.38 = 87,568.45/x
  3. Step 3: Cross multiply
    187,401.36x = 281,194.38 × 87,568.45
  4. Step 4: Simplify right side
    187,401.36x = 24,623,755,567.47
  5. Step 5: Solve for x
    x = 24,623,755,567.47/187,401.36
  6. Step 6: Final answer
    x = 131,395.82

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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.