Home / 132,228.48-198,347.52-42,289.44

Finding the Fourth Proportional to 132,228.48, 198,347.52 and 42,289.44

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Solution

The fourth proportional to 132,228.48, 198,347.52 and 42,289.44 is: 63,435.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,228.48 : 198,347.52 = 42,289.44 : x
  2. Step 2: Convert to fraction form
    132,228.48/198,347.52 = 42,289.44/x
  3. Step 3: Cross multiply
    132,228.48x = 198,347.52 × 42,289.44
  4. Step 4: Simplify right side
    132,228.48x = 8,388,005,546.19
  5. Step 5: Solve for x
    x = 8,388,005,546.19/132,228.48
  6. Step 6: Final answer
    x = 63,435.70

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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.