Home / 132,297.60-198,449.05-42,357.49

Finding the Fourth Proportional to 132,297.60, 198,449.05 and 42,357.49

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Solution

The fourth proportional to 132,297.60, 198,449.05 and 42,357.49 is: 63,537.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,297.60 : 198,449.05 = 42,357.49 : x
  2. Step 2: Convert to fraction form
    132,297.60/198,449.05 = 42,357.49/x
  3. Step 3: Cross multiply
    132,297.60x = 198,449.05 × 42,357.49
  4. Step 4: Simplify right side
    132,297.60x = 8,405,802,833.50
  5. Step 5: Solve for x
    x = 8,405,802,833.50/132,297.60
  6. Step 6: Final answer
    x = 63,537.08

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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.