Home / 208,593.04-287,776.96-136,081.18

Finding the Fourth Proportional to 208,593.04, 287,776.96 and 136,081.18

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Solution

The fourth proportional to 208,593.04, 287,776.96 and 136,081.18 is: 187,738.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,593.04 : 287,776.96 = 136,081.18 : x
  2. Step 2: Convert to fraction form
    208,593.04/287,776.96 = 136,081.18/x
  3. Step 3: Cross multiply
    208,593.04x = 287,776.96 × 136,081.18
  4. Step 4: Simplify right side
    208,593.04x = 39,161,028,293.61
  5. Step 5: Solve for x
    x = 39,161,028,293.61/208,593.04
  6. Step 6: Final answer
    x = 187,738.90

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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.