Home / 136,266.84-188,046.90-75,836.46

Finding the Fourth Proportional to 136,266.84, 188,046.90 and 75,836.46

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Solution

The fourth proportional to 136,266.84, 188,046.90 and 75,836.46 is: 104,653.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,266.84 : 188,046.90 = 75,836.46 : x
  2. Step 2: Convert to fraction form
    136,266.84/188,046.90 = 75,836.46/x
  3. Step 3: Cross multiply
    136,266.84x = 188,046.90 × 75,836.46
  4. Step 4: Simplify right side
    136,266.84x = 14,260,811,209.97
  5. Step 5: Solve for x
    x = 14,260,811,209.97/136,266.84
  6. Step 6: Final answer
    x = 104,653.57

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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.