Home / 192,721.86-289,206.18-104,037.12

Finding the Fourth Proportional to 192,721.86, 289,206.18 and 104,037.12

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Solution

The fourth proportional to 192,721.86, 289,206.18 and 104,037.12 is: 156,122.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,721.86 : 289,206.18 = 104,037.12 : x
  2. Step 2: Convert to fraction form
    192,721.86/289,206.18 = 104,037.12/x
  3. Step 3: Cross multiply
    192,721.86x = 289,206.18 × 104,037.12
  4. Step 4: Simplify right side
    192,721.86x = 30,088,178,053.40
  5. Step 5: Solve for x
    x = 30,088,178,053.40/192,721.86
  6. Step 6: Final answer
    x = 156,122.29

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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.