Home / 156,626.40-234,939.60-45,818.40

Finding the Fourth Proportional to 156,626.40, 234,939.60 and 45,818.40

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Solution

The fourth proportional to 156,626.40, 234,939.60 and 45,818.40 is: 68,727.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,626.40 : 234,939.60 = 45,818.40 : x
  2. Step 2: Convert to fraction form
    156,626.40/234,939.60 = 45,818.40/x
  3. Step 3: Cross multiply
    156,626.40x = 234,939.60 × 45,818.40
  4. Step 4: Simplify right side
    156,626.40x = 10,764,556,568.64
  5. Step 5: Solve for x
    x = 10,764,556,568.64/156,626.40
  6. Step 6: Final answer
    x = 68,727.60

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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.