Home / 200,514.29-276,691.31-115,614.95

Finding the Fourth Proportional to 200,514.29, 276,691.31 and 115,614.95

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Solution

The fourth proportional to 200,514.29, 276,691.31 and 115,614.95 is: 159,538.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,514.29 : 276,691.31 = 115,614.95 : x
  2. Step 2: Convert to fraction form
    200,514.29/276,691.31 = 115,614.95/x
  3. Step 3: Cross multiply
    200,514.29x = 276,691.31 × 115,614.95
  4. Step 4: Simplify right side
    200,514.29x = 31,989,650,876.67
  5. Step 5: Solve for x
    x = 31,989,650,876.67/200,514.29
  6. Step 6: Final answer
    x = 159,538.01

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1.5x scale

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.