Home / 240,631.92-332,107.20-138,637.44

Finding the Fourth Proportional to 240,631.92, 332,107.20 and 138,637.44

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Solution

The fourth proportional to 240,631.92, 332,107.20 and 138,637.44 is: 191,339.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,631.92 : 332,107.20 = 138,637.44 : x
  2. Step 2: Convert to fraction form
    240,631.92/332,107.20 = 138,637.44/x
  3. Step 3: Cross multiply
    240,631.92x = 332,107.20 × 138,637.44
  4. Step 4: Simplify right side
    240,631.92x = 46,042,492,013.57
  5. Step 5: Solve for x
    x = 46,042,492,013.57/240,631.92
  6. Step 6: Final answer
    x = 191,339.92

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1.5x scale

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.