Home / 194,699.43-268,806.84-149,290.17

Finding the Fourth Proportional to 194,699.43, 268,806.84 and 149,290.17

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Solution

The fourth proportional to 194,699.43, 268,806.84 and 149,290.17 is: 206,113.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,699.43 : 268,806.84 = 149,290.17 : x
  2. Step 2: Convert to fraction form
    194,699.43/268,806.84 = 149,290.17/x
  3. Step 3: Cross multiply
    194,699.43x = 268,806.84 × 149,290.17
  4. Step 4: Simplify right side
    194,699.43x = 40,130,218,840.76
  5. Step 5: Solve for x
    x = 40,130,218,840.76/194,699.43
  6. Step 6: Final answer
    x = 206,113.69

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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.