Home / 156,144.28-234,168.01-56,291.56

Finding the Fourth Proportional to 156,144.28, 234,168.01 and 56,291.56

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Solution

The fourth proportional to 156,144.28, 234,168.01 and 56,291.56 is: 84,419.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,144.28 : 234,168.01 = 56,291.56 : x
  2. Step 2: Convert to fraction form
    156,144.28/234,168.01 = 56,291.56/x
  3. Step 3: Cross multiply
    156,144.28x = 234,168.01 × 56,291.56
  4. Step 4: Simplify right side
    156,144.28x = 13,181,682,175.49
  5. Step 5: Solve for x
    x = 13,181,682,175.49/156,144.28
  6. Step 6: Final answer
    x = 84,419.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.