Home / 134,821.62-186,052.38-74,394.81

Finding the Fourth Proportional to 134,821.62, 186,052.38 and 74,394.81

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Solution

The fourth proportional to 134,821.62, 186,052.38 and 74,394.81 is: 102,664.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,821.62 : 186,052.38 = 74,394.81 : x
  2. Step 2: Convert to fraction form
    134,821.62/186,052.38 = 74,394.81/x
  3. Step 3: Cross multiply
    134,821.62x = 186,052.38 × 74,394.81
  4. Step 4: Simplify right side
    134,821.62x = 13,841,331,181.17
  5. Step 5: Solve for x
    x = 13,841,331,181.17/134,821.62
  6. Step 6: Final answer
    x = 102,664.03

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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.