Home / 132,756.24-198,980.28-53,772.24

Finding the Fourth Proportional to 132,756.24, 198,980.28 and 53,772.24

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Solution

The fourth proportional to 132,756.24, 198,980.28 and 53,772.24 is: 80,595.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,756.24 : 198,980.28 = 53,772.24 : x
  2. Step 2: Convert to fraction form
    132,756.24/198,980.28 = 53,772.24/x
  3. Step 3: Cross multiply
    132,756.24x = 198,980.28 × 53,772.24
  4. Step 4: Simplify right side
    132,756.24x = 10,699,615,371.43
  5. Step 5: Solve for x
    x = 10,699,615,371.43/132,756.24
  6. Step 6: Final answer
    x = 80,595.95

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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.