Home / 271,315.28-374,438.76-158,135.60

Finding the Fourth Proportional to 271,315.28, 374,438.76 and 158,135.60

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Solution

The fourth proportional to 271,315.28, 374,438.76 and 158,135.60 is: 218,240.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,315.28 : 374,438.76 = 158,135.60 : x
  2. Step 2: Convert to fraction form
    271,315.28/374,438.76 = 158,135.60/x
  3. Step 3: Cross multiply
    271,315.28x = 374,438.76 × 158,135.60
  4. Step 4: Simplify right side
    271,315.28x = 59,212,097,975.86
  5. Step 5: Solve for x
    x = 59,212,097,975.86/271,315.28
  6. Step 6: Final answer
    x = 218,240.93

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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.