Home / 134,881.91-186,137.04-74,452.58

Finding the Fourth Proportional to 134,881.91, 186,137.04 and 74,452.58

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Solution

The fourth proportional to 134,881.91, 186,137.04 and 74,452.58 is: 102,744.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,881.91 : 186,137.04 = 74,452.58 : x
  2. Step 2: Convert to fraction form
    134,881.91/186,137.04 = 74,452.58/x
  3. Step 3: Cross multiply
    134,881.91x = 186,137.04 × 74,452.58
  4. Step 4: Simplify right side
    134,881.91x = 13,858,381,930.88
  5. Step 5: Solve for x
    x = 13,858,381,930.88/134,881.91
  6. Step 6: Final answer
    x = 102,744.56

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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.