Home / 187,401.37-281,129.84-54,265.01

Finding the Fourth Proportional to 187,401.37, 281,129.84 and 54,265.01

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Solution

The fourth proportional to 187,401.37, 281,129.84 and 54,265.01 is: 81,405.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,401.37 : 281,129.84 = 54,265.01 : x
  2. Step 2: Convert to fraction form
    187,401.37/281,129.84 = 54,265.01/x
  3. Step 3: Cross multiply
    187,401.37x = 281,129.84 × 54,265.01
  4. Step 4: Simplify right side
    187,401.37x = 15,255,513,578.90
  5. Step 5: Solve for x
    x = 15,255,513,578.90/187,401.37
  6. Step 6: Final answer
    x = 81,405.56

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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.