Home / 200,577.29-276,780.91-115,677.95

Finding the Fourth Proportional to 200,577.29, 276,780.91 and 115,677.95

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Solution

The fourth proportional to 200,577.29, 276,780.91 and 115,677.95 is: 159,626.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,577.29 : 276,780.91 = 115,677.95 : x
  2. Step 2: Convert to fraction form
    200,577.29/276,780.91 = 115,677.95/x
  3. Step 3: Cross multiply
    200,577.29x = 276,780.91 × 115,677.95
  4. Step 4: Simplify right side
    200,577.29x = 32,017,447,752.85
  5. Step 5: Solve for x
    x = 32,017,447,752.85/200,577.29
  6. Step 6: Final answer
    x = 159,626.49

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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.