Home / 132,885.04-199,406.12-53,993.20

Finding the Fourth Proportional to 132,885.04, 199,406.12 and 53,993.20

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Solution

The fourth proportional to 132,885.04, 199,406.12 and 53,993.20 is: 81,021.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,885.04 : 199,406.12 = 53,993.20 : x
  2. Step 2: Convert to fraction form
    132,885.04/199,406.12 = 53,993.20/x
  3. Step 3: Cross multiply
    132,885.04x = 199,406.12 × 53,993.20
  4. Step 4: Simplify right side
    132,885.04x = 10,766,574,518.38
  5. Step 5: Solve for x
    x = 10,766,574,518.38/132,885.04
  6. Step 6: Final answer
    x = 81,021.72

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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.