Home / 132,557.19-198,835.79-109,134.42

Finding the Fourth Proportional to 132,557.19, 198,835.79 and 109,134.42

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Solution

The fourth proportional to 132,557.19, 198,835.79 and 109,134.42 is: 163,701.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,557.19 : 198,835.79 = 109,134.42 : x
  2. Step 2: Convert to fraction form
    132,557.19/198,835.79 = 109,134.42/x
  3. Step 3: Cross multiply
    132,557.19x = 198,835.79 × 109,134.42
  4. Step 4: Simplify right side
    132,557.19x = 21,699,827,325.59
  5. Step 5: Solve for x
    x = 21,699,827,325.59/132,557.19
  6. Step 6: Final answer
    x = 163,701.63

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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.