Home / 134,576.82-185,713.61-74,153.06

Finding the Fourth Proportional to 134,576.82, 185,713.61 and 74,153.06

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Solution

The fourth proportional to 134,576.82, 185,713.61 and 74,153.06 is: 102,329.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,576.82 : 185,713.61 = 74,153.06 : x
  2. Step 2: Convert to fraction form
    134,576.82/185,713.61 = 74,153.06/x
  3. Step 3: Cross multiply
    134,576.82x = 185,713.61 × 74,153.06
  4. Step 4: Simplify right side
    134,576.82x = 13,771,231,165.81
  5. Step 5: Solve for x
    x = 13,771,231,165.81/134,576.82
  6. Step 6: Final answer
    x = 102,329.89

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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.