Home / 315,933.92-473,849.60-105,571.52

Finding the Fourth Proportional to 315,933.92, 473,849.60 and 105,571.52

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Solution

The fourth proportional to 315,933.92, 473,849.60 and 105,571.52 is: 158,340.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,933.92 : 473,849.60 = 105,571.52 : x
  2. Step 2: Convert to fraction form
    315,933.92/473,849.60 = 105,571.52/x
  3. Step 3: Cross multiply
    315,933.92x = 473,849.60 × 105,571.52
  4. Step 4: Simplify right side
    315,933.92x = 50,025,022,523.39
  5. Step 5: Solve for x
    x = 50,025,022,523.39/315,933.92
  6. Step 6: Final answer
    x = 158,340.14

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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.