Home / 141,071.34-194,682.22-79,812.66

Finding the Fourth Proportional to 141,071.34, 194,682.22 and 79,812.66

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Solution

The fourth proportional to 141,071.34, 194,682.22 and 79,812.66 is: 110,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,071.34 : 194,682.22 = 79,812.66 : x
  2. Step 2: Convert to fraction form
    141,071.34/194,682.22 = 79,812.66/x
  3. Step 3: Cross multiply
    141,071.34x = 194,682.22 × 79,812.66
  4. Step 4: Simplify right side
    141,071.34x = 15,538,105,832.91
  5. Step 5: Solve for x
    x = 15,538,105,832.91/141,071.34
  6. Step 6: Final answer
    x = 110,143.60

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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.