Home / 200,535.10-276,711.35-114,488.61

Finding the Fourth Proportional to 200,535.10, 276,711.35 and 114,488.61

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Solution

The fourth proportional to 200,535.10, 276,711.35 and 114,488.61 is: 157,978.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,535.10 : 276,711.35 = 114,488.61 : x
  2. Step 2: Convert to fraction form
    200,535.10/276,711.35 = 114,488.61/x
  3. Step 3: Cross multiply
    200,535.10x = 276,711.35 × 114,488.61
  4. Step 4: Simplify right side
    200,535.10x = 31,680,298,118.95
  5. Step 5: Solve for x
    x = 31,680,298,118.95/200,535.10
  6. Step 6: Final answer
    x = 157,978.82

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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.