Home / 372,513.06-514,067.31-202,746.78

Finding the Fourth Proportional to 372,513.06, 514,067.31 and 202,746.78

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Solution

The fourth proportional to 372,513.06, 514,067.31 and 202,746.78 is: 279,790.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,513.06 : 514,067.31 = 202,746.78 : x
  2. Step 2: Convert to fraction form
    372,513.06/514,067.31 = 202,746.78/x
  3. Step 3: Cross multiply
    372,513.06x = 514,067.31 × 202,746.78
  4. Step 4: Simplify right side
    372,513.06x = 104,225,491,805.76
  5. Step 5: Solve for x
    x = 104,225,491,805.76/372,513.06
  6. Step 6: Final answer
    x = 279,790.17

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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.