Home / 271,415.90-374,556.20-150,565.11

Finding the Fourth Proportional to 271,415.90, 374,556.20 and 150,565.11

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Solution

The fourth proportional to 271,415.90, 374,556.20 and 150,565.11 is: 207,781.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,415.90 : 374,556.20 = 150,565.11 : x
  2. Step 2: Convert to fraction form
    271,415.90/374,556.20 = 150,565.11/x
  3. Step 3: Cross multiply
    271,415.90x = 374,556.20 × 150,565.11
  4. Step 4: Simplify right side
    271,415.90x = 56,395,094,701.36
  5. Step 5: Solve for x
    x = 56,395,094,701.36/271,415.90
  6. Step 6: Final answer
    x = 207,781.11

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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.