Home / 132,807.02-199,171.65-109,375.34

Finding the Fourth Proportional to 132,807.02, 199,171.65 and 109,375.34

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Solution

The fourth proportional to 132,807.02, 199,171.65 and 109,375.34 is: 164,030.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,807.02 : 199,171.65 = 109,375.34 : x
  2. Step 2: Convert to fraction form
    132,807.02/199,171.65 = 109,375.34/x
  3. Step 3: Cross multiply
    132,807.02x = 199,171.65 × 109,375.34
  4. Step 4: Simplify right side
    132,807.02x = 21,784,466,937.11
  5. Step 5: Solve for x
    x = 21,784,466,937.11/132,807.02
  6. Step 6: Final answer
    x = 164,030.99

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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.