Home / 187,734.81-281,599.64-45,581.18

Finding the Fourth Proportional to 187,734.81, 281,599.64 and 45,581.18

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Solution

The fourth proportional to 187,734.81, 281,599.64 and 45,581.18 is: 68,371.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,734.81 : 281,599.64 = 45,581.18 : x
  2. Step 2: Convert to fraction form
    187,734.81/281,599.64 = 45,581.18/x
  3. Step 3: Cross multiply
    187,734.81x = 281,599.64 × 45,581.18
  4. Step 4: Simplify right side
    187,734.81x = 12,835,643,997.80
  5. Step 5: Solve for x
    x = 12,835,643,997.80/187,734.81
  6. Step 6: Final answer
    x = 68,371.14

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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.