Home / 269,390.48-371,758.53-148,533.68

Finding the Fourth Proportional to 269,390.48, 371,758.53 and 148,533.68

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Solution

The fourth proportional to 269,390.48, 371,758.53 and 148,533.68 is: 204,976.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,390.48 : 371,758.53 = 148,533.68 : x
  2. Step 2: Convert to fraction form
    269,390.48/371,758.53 = 148,533.68/x
  3. Step 3: Cross multiply
    269,390.48x = 371,758.53 × 148,533.68
  4. Step 4: Simplify right side
    269,390.48x = 55,218,660,673.50
  5. Step 5: Solve for x
    x = 55,218,660,673.50/269,390.48
  6. Step 6: Final answer
    x = 204,976.29

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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.