Home / 132,353.85-198,535.44-42,399.30

Finding the Fourth Proportional to 132,353.85, 198,535.44 and 42,399.30

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Solution

The fourth proportional to 132,353.85, 198,535.44 and 42,399.30 is: 63,600.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,353.85 : 198,535.44 = 42,399.30 : x
  2. Step 2: Convert to fraction form
    132,353.85/198,535.44 = 42,399.30/x
  3. Step 3: Cross multiply
    132,353.85x = 198,535.44 × 42,399.30
  4. Step 4: Simplify right side
    132,353.85x = 8,417,763,681.19
  5. Step 5: Solve for x
    x = 8,417,763,681.19/132,353.85
  6. Step 6: Final answer
    x = 63,600.44

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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.