Home / 202,471.73-279,442.02-124,992.50

Finding the Fourth Proportional to 202,471.73, 279,442.02 and 124,992.50

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Solution

The fourth proportional to 202,471.73, 279,442.02 and 124,992.50 is: 172,508.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,471.73 : 279,442.02 = 124,992.50 : x
  2. Step 2: Convert to fraction form
    202,471.73/279,442.02 = 124,992.50/x
  3. Step 3: Cross multiply
    202,471.73x = 279,442.02 × 124,992.50
  4. Step 4: Simplify right side
    202,471.73x = 34,928,155,287.64
  5. Step 5: Solve for x
    x = 34,928,155,287.64/202,471.73
  6. Step 6: Final answer
    x = 172,508.80

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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.