Home / 194,899.22-268,960.92-105,475.22

Finding the Fourth Proportional to 194,899.22, 268,960.92 and 105,475.22

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Solution

The fourth proportional to 194,899.22, 268,960.92 and 105,475.22 is: 145,555.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,899.22 : 268,960.92 = 105,475.22 : x
  2. Step 2: Convert to fraction form
    194,899.22/268,960.92 = 105,475.22/x
  3. Step 3: Cross multiply
    194,899.22x = 268,960.92 × 105,475.22
  4. Step 4: Simplify right side
    194,899.22x = 28,368,712,069.97
  5. Step 5: Solve for x
    x = 28,368,712,069.97/194,899.22
  6. Step 6: Final answer
    x = 145,555.80

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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.