Home / 315,949.07-473,923.64-105,587.01

Finding the Fourth Proportional to 315,949.07, 473,923.64 and 105,587.01

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Solution

The fourth proportional to 315,949.07, 473,923.64 and 105,587.01 is: 158,380.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,949.07 : 473,923.64 = 105,587.01 : x
  2. Step 2: Convert to fraction form
    315,949.07/473,923.64 = 105,587.01/x
  3. Step 3: Cross multiply
    315,949.07x = 473,923.64 × 105,587.01
  4. Step 4: Simplify right side
    315,949.07x = 50,040,180,379.88
  5. Step 5: Solve for x
    x = 50,040,180,379.88/315,949.07
  6. Step 6: Final answer
    x = 158,380.53

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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.