Home / 134,172.43-185,158.01-73,742.58

Finding the Fourth Proportional to 134,172.43, 185,158.01 and 73,742.58

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Solution

The fourth proportional to 134,172.43, 185,158.01 and 73,742.58 is: 101,764.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,172.43 : 185,158.01 = 73,742.58 : x
  2. Step 2: Convert to fraction form
    134,172.43/185,158.01 = 73,742.58/x
  3. Step 3: Cross multiply
    134,172.43x = 185,158.01 × 73,742.58
  4. Step 4: Simplify right side
    134,172.43x = 13,654,029,549.42
  5. Step 5: Solve for x
    x = 13,654,029,549.42/134,172.43
  6. Step 6: Final answer
    x = 101,764.79

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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.