Home / 263,540.90-363,671.69-148,812.09

Finding the Fourth Proportional to 263,540.90, 363,671.69 and 148,812.09

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Solution

The fourth proportional to 263,540.90, 363,671.69 and 148,812.09 is: 205,352.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,540.90 : 363,671.69 = 148,812.09 : x
  2. Step 2: Convert to fraction form
    263,540.90/363,671.69 = 148,812.09/x
  3. Step 3: Cross multiply
    263,540.90x = 363,671.69 × 148,812.09
  4. Step 4: Simplify right side
    263,540.90x = 54,118,743,518.67
  5. Step 5: Solve for x
    x = 54,118,743,518.67/263,540.90
  6. Step 6: Final answer
    x = 205,352.36

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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.