Home / 200,264.16-276,363.18-115,379.40

Finding the Fourth Proportional to 200,264.16, 276,363.18 and 115,379.40

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Solution

The fourth proportional to 200,264.16, 276,363.18 and 115,379.40 is: 159,222.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,264.16 : 276,363.18 = 115,379.40 : x
  2. Step 2: Convert to fraction form
    200,264.16/276,363.18 = 115,379.40/x
  3. Step 3: Cross multiply
    200,264.16x = 276,363.18 × 115,379.40
  4. Step 4: Simplify right side
    200,264.16x = 31,886,617,890.49
  5. Step 5: Solve for x
    x = 31,886,617,890.49/200,264.16
  6. Step 6: Final answer
    x = 159,222.79

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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.