Home / 271,403.15-374,480.25-156,679.80

Finding the Fourth Proportional to 271,403.15, 374,480.25 and 156,679.80

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Solution

The fourth proportional to 271,403.15, 374,480.25 and 156,679.80 is: 216,185.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,403.15 : 374,480.25 = 156,679.80 : x
  2. Step 2: Convert to fraction form
    271,403.15/374,480.25 = 156,679.80/x
  3. Step 3: Cross multiply
    271,403.15x = 374,480.25 × 156,679.80
  4. Step 4: Simplify right side
    271,403.15x = 58,673,490,673.95
  5. Step 5: Solve for x
    x = 58,673,490,673.95/271,403.15
  6. Step 6: Final answer
    x = 216,185.74

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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.