Home / 250,169.12-374,782.80-123,661.28

Finding the Fourth Proportional to 250,169.12, 374,782.80 and 123,661.28

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Solution

The fourth proportional to 250,169.12, 374,782.80 and 123,661.28 is: 185,259.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,169.12 : 374,782.80 = 123,661.28 : x
  2. Step 2: Convert to fraction form
    250,169.12/374,782.80 = 123,661.28/x
  3. Step 3: Cross multiply
    250,169.12x = 374,782.80 × 123,661.28
  4. Step 4: Simplify right side
    250,169.12x = 46,346,120,769.98
  5. Step 5: Solve for x
    x = 46,346,120,769.98/250,169.12
  6. Step 6: Final answer
    x = 185,259.16

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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.