Home / 134,704.84-185,856.22-76,560.76

Finding the Fourth Proportional to 134,704.84, 185,856.22 and 76,560.76

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Solution

The fourth proportional to 134,704.84, 185,856.22 and 76,560.76 is: 105,633.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,704.84 : 185,856.22 = 76,560.76 : x
  2. Step 2: Convert to fraction form
    134,704.84/185,856.22 = 76,560.76/x
  3. Step 3: Cross multiply
    134,704.84x = 185,856.22 × 76,560.76
  4. Step 4: Simplify right side
    134,704.84x = 14,229,293,453.93
  5. Step 5: Solve for x
    x = 14,229,293,453.93/134,704.84
  6. Step 6: Final answer
    x = 105,633.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.