Home / 156,819.28-235,154.78-60,801.42

Finding the Fourth Proportional to 156,819.28, 235,154.78 and 60,801.42

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Solution

The fourth proportional to 156,819.28, 235,154.78 and 60,801.42 is: 91,173.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,819.28 : 235,154.78 = 60,801.42 : x
  2. Step 2: Convert to fraction form
    156,819.28/235,154.78 = 60,801.42/x
  3. Step 3: Cross multiply
    156,819.28x = 235,154.78 × 60,801.42
  4. Step 4: Simplify right side
    156,819.28x = 14,297,744,543.79
  5. Step 5: Solve for x
    x = 14,297,744,543.79/156,819.28
  6. Step 6: Final answer
    x = 91,173.38

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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.