Home / 325,331.16-448,947.77-189,362.19

Finding the Fourth Proportional to 325,331.16, 448,947.77 and 189,362.19

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Solution

The fourth proportional to 325,331.16, 448,947.77 and 189,362.19 is: 261,314.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,331.16 : 448,947.77 = 189,362.19 : x
  2. Step 2: Convert to fraction form
    325,331.16/448,947.77 = 189,362.19/x
  3. Step 3: Cross multiply
    325,331.16x = 448,947.77 × 189,362.19
  4. Step 4: Simplify right side
    325,331.16x = 85,013,731,976.01
  5. Step 5: Solve for x
    x = 85,013,731,976.01/325,331.16
  6. Step 6: Final answer
    x = 261,314.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.