Home / 197,498.78-272,548.02-106,854.44

Finding the Fourth Proportional to 197,498.78, 272,548.02 and 106,854.44

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Solution

The fourth proportional to 197,498.78, 272,548.02 and 106,854.44 is: 147,458.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,498.78 : 272,548.02 = 106,854.44 : x
  2. Step 2: Convert to fraction form
    197,498.78/272,548.02 = 106,854.44/x
  3. Step 3: Cross multiply
    197,498.78x = 272,548.02 × 106,854.44
  4. Step 4: Simplify right side
    197,498.78x = 29,122,966,050.21
  5. Step 5: Solve for x
    x = 29,122,966,050.21/197,498.78
  6. Step 6: Final answer
    x = 147,458.97

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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.