Home / 200,621.91-276,886.59-124,165.68

Finding the Fourth Proportional to 200,621.91, 276,886.59 and 124,165.68

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Solution

The fourth proportional to 200,621.91, 276,886.59 and 124,165.68 is: 171,366.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,621.91 : 276,886.59 = 124,165.68 : x
  2. Step 2: Convert to fraction form
    200,621.91/276,886.59 = 124,165.68/x
  3. Step 3: Cross multiply
    200,621.91x = 276,886.59 × 124,165.68
  4. Step 4: Simplify right side
    200,621.91x = 34,379,810,226.29
  5. Step 5: Solve for x
    x = 34,379,810,226.29/200,621.91
  6. Step 6: Final answer
    x = 171,366.18

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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.