Home / 200,364.13-276,502.50-115,486.66

Finding the Fourth Proportional to 200,364.13, 276,502.50 and 115,486.66

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Solution

The fourth proportional to 200,364.13, 276,502.50 and 115,486.66 is: 159,371.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,364.13 : 276,502.50 = 115,486.66 : x
  2. Step 2: Convert to fraction form
    200,364.13/276,502.50 = 115,486.66/x
  3. Step 3: Cross multiply
    200,364.13x = 276,502.50 × 115,486.66
  4. Step 4: Simplify right side
    200,364.13x = 31,932,350,206.65
  5. Step 5: Solve for x
    x = 31,932,350,206.65/200,364.13
  6. Step 6: Final answer
    x = 159,371.59

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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.