Home / 281,981.88-422,803.86-89,773.24

Finding the Fourth Proportional to 281,981.88, 422,803.86 and 89,773.24

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Solution

The fourth proportional to 281,981.88, 422,803.86 and 89,773.24 is: 134,606.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,981.88 : 422,803.86 = 89,773.24 : x
  2. Step 2: Convert to fraction form
    281,981.88/422,803.86 = 89,773.24/x
  3. Step 3: Cross multiply
    281,981.88x = 422,803.86 × 89,773.24
  4. Step 4: Simplify right side
    281,981.88x = 37,956,472,396.71
  5. Step 5: Solve for x
    x = 37,956,472,396.71/281,981.88
  6. Step 6: Final answer
    x = 134,606.07

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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.