Home / 132,794.64-199,021.86-72,822.24

Finding the Fourth Proportional to 132,794.64, 199,021.86 and 72,822.24

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Solution

The fourth proportional to 132,794.64, 199,021.86 and 72,822.24 is: 109,140.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,794.64 : 199,021.86 = 72,822.24 : x
  2. Step 2: Convert to fraction form
    132,794.64/199,021.86 = 72,822.24/x
  3. Step 3: Cross multiply
    132,794.64x = 199,021.86 × 72,822.24
  4. Step 4: Simplify right side
    132,794.64x = 14,493,217,654.17
  5. Step 5: Solve for x
    x = 14,493,217,654.17/132,794.64
  6. Step 6: Final answer
    x = 109,140.08

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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.