Home / 192,928.12-289,412.24-52,686.76

Finding the Fourth Proportional to 192,928.12, 289,412.24 and 52,686.76

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Solution

The fourth proportional to 192,928.12, 289,412.24 and 52,686.76 is: 79,035.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,928.12 : 289,412.24 = 52,686.76 : x
  2. Step 2: Convert to fraction form
    192,928.12/289,412.24 = 52,686.76/x
  3. Step 3: Cross multiply
    192,928.12x = 289,412.24 × 52,686.76
  4. Step 4: Simplify right side
    192,928.12x = 15,248,193,229.94
  5. Step 5: Solve for x
    x = 15,248,193,229.94/192,928.12
  6. Step 6: Final answer
    x = 79,035.62

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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.