Home / 132,900.28-199,433.42-54,014.48

Finding the Fourth Proportional to 132,900.28, 199,433.42 and 54,014.48

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Solution

The fourth proportional to 132,900.28, 199,433.42 and 54,014.48 is: 81,055.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,900.28 : 199,433.42 = 54,014.48 : x
  2. Step 2: Convert to fraction form
    132,900.28/199,433.42 = 54,014.48/x
  3. Step 3: Cross multiply
    132,900.28x = 199,433.42 × 54,014.48
  4. Step 4: Simplify right side
    132,900.28x = 10,772,292,475.92
  5. Step 5: Solve for x
    x = 10,772,292,475.92/132,900.28
  6. Step 6: Final answer
    x = 81,055.45

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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.