Home / 192,902.47-289,436.37-99,473.83

Finding the Fourth Proportional to 192,902.47, 289,436.37 and 99,473.83

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Solution

The fourth proportional to 192,902.47, 289,436.37 and 99,473.83 is: 149,253.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,902.47 : 289,436.37 = 99,473.83 : x
  2. Step 2: Convert to fraction form
    192,902.47/289,436.37 = 99,473.83/x
  3. Step 3: Cross multiply
    192,902.47x = 289,436.37 × 99,473.83
  4. Step 4: Simplify right side
    192,902.47x = 28,791,344,265.20
  5. Step 5: Solve for x
    x = 28,791,344,265.20/192,902.47
  6. Step 6: Final answer
    x = 149,253.37

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1.5x scale

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.