Home / 205,625.23-308,443.92-55,864.74

Finding the Fourth Proportional to 205,625.23, 308,443.92 and 55,864.74

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Solution

The fourth proportional to 205,625.23, 308,443.92 and 55,864.74 is: 83,798.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,625.23 : 308,443.92 = 55,864.74 : x
  2. Step 2: Convert to fraction form
    205,625.23/308,443.92 = 55,864.74/x
  3. Step 3: Cross multiply
    205,625.23x = 308,443.92 × 55,864.74
  4. Step 4: Simplify right side
    205,625.23x = 17,231,137,853.16
  5. Step 5: Solve for x
    x = 17,231,137,853.16/205,625.23
  6. Step 6: Final answer
    x = 83,798.75

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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.