Home / 189,826.11-284,817.76-83,154.96

Finding the Fourth Proportional to 189,826.11, 284,817.76 and 83,154.96

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Solution

The fourth proportional to 189,826.11, 284,817.76 and 83,154.96 is: 124,766.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,826.11 : 284,817.76 = 83,154.96 : x
  2. Step 2: Convert to fraction form
    189,826.11/284,817.76 = 83,154.96/x
  3. Step 3: Cross multiply
    189,826.11x = 284,817.76 × 83,154.96
  4. Step 4: Simplify right side
    189,826.11x = 23,684,009,232.20
  5. Step 5: Solve for x
    x = 23,684,009,232.20/189,826.11
  6. Step 6: Final answer
    x = 124,766.87

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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.