Home / 271,427.90-374,514.41-156,704.55

Finding the Fourth Proportional to 271,427.90, 374,514.41 and 156,704.55

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Solution

The fourth proportional to 271,427.90, 374,514.41 and 156,704.55 is: 216,219.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,427.90 : 374,514.41 = 156,704.55 : x
  2. Step 2: Convert to fraction form
    271,427.90/374,514.41 = 156,704.55/x
  3. Step 3: Cross multiply
    271,427.90x = 374,514.41 × 156,704.55
  4. Step 4: Simplify right side
    271,427.90x = 58,688,111,304.04
  5. Step 5: Solve for x
    x = 58,688,111,304.04/271,427.90
  6. Step 6: Final answer
    x = 216,219.90

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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.