Home / 135,326.33-186,750.69-74,901.14

Finding the Fourth Proportional to 135,326.33, 186,750.69 and 74,901.14

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Solution

The fourth proportional to 135,326.33, 186,750.69 and 74,901.14 is: 103,363.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,326.33 : 186,750.69 = 74,901.14 : x
  2. Step 2: Convert to fraction form
    135,326.33/186,750.69 = 74,901.14/x
  3. Step 3: Cross multiply
    135,326.33x = 186,750.69 × 74,901.14
  4. Step 4: Simplify right side
    135,326.33x = 13,987,839,576.79
  5. Step 5: Solve for x
    x = 13,987,839,576.79/135,326.33
  6. Step 6: Final answer
    x = 103,363.77

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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.