Home / 189,040.15-283,560.23-55,910.05

Finding the Fourth Proportional to 189,040.15, 283,560.23 and 55,910.05

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Solution

The fourth proportional to 189,040.15, 283,560.23 and 55,910.05 is: 83,865.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,040.15 : 283,560.23 = 55,910.05 : x
  2. Step 2: Convert to fraction form
    189,040.15/283,560.23 = 55,910.05/x
  3. Step 3: Cross multiply
    189,040.15x = 283,560.23 × 55,910.05
  4. Step 4: Simplify right side
    189,040.15x = 15,853,866,637.31
  5. Step 5: Solve for x
    x = 15,853,866,637.31/189,040.15
  6. Step 6: Final answer
    x = 83,865.08

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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.