Home / 189,167.07-283,766.90-54,231.68

Finding the Fourth Proportional to 189,167.07, 283,766.90 and 54,231.68

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Solution

The fourth proportional to 189,167.07, 283,766.90 and 54,231.68 is: 81,352.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,167.07 : 283,766.90 = 54,231.68 : x
  2. Step 2: Convert to fraction form
    189,167.07/283,766.90 = 54,231.68/x
  3. Step 3: Cross multiply
    189,167.07x = 283,766.90 × 54,231.68
  4. Step 4: Simplify right side
    189,167.07x = 15,389,154,557.46
  5. Step 5: Solve for x
    x = 15,389,154,557.46/189,167.07
  6. Step 6: Final answer
    x = 81,352.19

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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.