Home / 133,052.19-199,472.32-76,828.52

Finding the Fourth Proportional to 133,052.19, 199,472.32 and 76,828.52

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Solution

The fourth proportional to 133,052.19, 199,472.32 and 76,828.52 is: 115,181.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,052.19 : 199,472.32 = 76,828.52 : x
  2. Step 2: Convert to fraction form
    133,052.19/199,472.32 = 76,828.52/x
  3. Step 3: Cross multiply
    133,052.19x = 199,472.32 × 76,828.52
  4. Step 4: Simplify right side
    133,052.19x = 15,325,163,126.57
  5. Step 5: Solve for x
    x = 15,325,163,126.57/133,052.19
  6. Step 6: Final answer
    x = 115,181.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.