Home / 148,425.41-204,827.76-80,442.36

Finding the Fourth Proportional to 148,425.41, 204,827.76 and 80,442.36

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Solution

The fourth proportional to 148,425.41, 204,827.76 and 80,442.36 is: 111,010.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,425.41 : 204,827.76 = 80,442.36 : x
  2. Step 2: Convert to fraction form
    148,425.41/204,827.76 = 80,442.36/x
  3. Step 3: Cross multiply
    148,425.41x = 204,827.76 × 80,442.36
  4. Step 4: Simplify right side
    148,425.41x = 16,476,828,709.57
  5. Step 5: Solve for x
    x = 16,476,828,709.57/148,425.41
  6. Step 6: Final answer
    x = 111,010.84

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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.