Home / 156,954.60-235,043.10-100,708.20

Finding the Fourth Proportional to 156,954.60, 235,043.10 and 100,708.20

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Solution

The fourth proportional to 156,954.60, 235,043.10 and 100,708.20 is: 150,812.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,954.60 : 235,043.10 = 100,708.20 : x
  2. Step 2: Convert to fraction form
    156,954.60/235,043.10 = 100,708.20/x
  3. Step 3: Cross multiply
    156,954.60x = 235,043.10 × 100,708.20
  4. Step 4: Simplify right side
    156,954.60x = 23,670,767,523.42
  5. Step 5: Solve for x
    x = 23,670,767,523.42/156,954.60
  6. Step 6: Final answer
    x = 150,812.83

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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.