Home / 192,901.47-289,434.87-99,472.83

Finding the Fourth Proportional to 192,901.47, 289,434.87 and 99,472.83

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Solution

The fourth proportional to 192,901.47, 289,434.87 and 99,472.83 is: 149,251.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,901.47 : 289,434.87 = 99,472.83 : x
  2. Step 2: Convert to fraction form
    192,901.47/289,434.87 = 99,472.83/x
  3. Step 3: Cross multiply
    192,901.47x = 289,434.87 × 99,472.83
  4. Step 4: Simplify right side
    192,901.47x = 28,790,905,619.58
  5. Step 5: Solve for x
    x = 28,790,905,619.58/192,901.47
  6. Step 6: Final answer
    x = 149,251.87

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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.