Home / 148,908.52-205,488.12-85,252.24

Finding the Fourth Proportional to 148,908.52, 205,488.12 and 85,252.24

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Solution

The fourth proportional to 148,908.52, 205,488.12 and 85,252.24 is: 117,644.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,908.52 : 205,488.12 = 85,252.24 : x
  2. Step 2: Convert to fraction form
    148,908.52/205,488.12 = 85,252.24/x
  3. Step 3: Cross multiply
    148,908.52x = 205,488.12 × 85,252.24
  4. Step 4: Simplify right side
    148,908.52x = 17,518,322,523.39
  5. Step 5: Solve for x
    x = 17,518,322,523.39/148,908.52
  6. Step 6: Final answer
    x = 117,644.86

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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.