Home / 148,111.52-204,399.04-81,043.52

Finding the Fourth Proportional to 148,111.52, 204,399.04 and 81,043.52

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Solution

The fourth proportional to 148,111.52, 204,399.04 and 81,043.52 is: 111,842.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,111.52 : 204,399.04 = 81,043.52 : x
  2. Step 2: Convert to fraction form
    148,111.52/204,399.04 = 81,043.52/x
  3. Step 3: Cross multiply
    148,111.52x = 204,399.04 × 81,043.52
  4. Step 4: Simplify right side
    148,111.52x = 16,565,217,686.22
  5. Step 5: Solve for x
    x = 16,565,217,686.22/148,111.52
  6. Step 6: Final answer
    x = 111,842.87

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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.