Home / 156,088.50-234,120.67-43,762.75

Finding the Fourth Proportional to 156,088.50, 234,120.67 and 43,762.75

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Solution

The fourth proportional to 156,088.50, 234,120.67 and 43,762.75 is: 65,640.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,088.50 : 234,120.67 = 43,762.75 : x
  2. Step 2: Convert to fraction form
    156,088.50/234,120.67 = 43,762.75/x
  3. Step 3: Cross multiply
    156,088.50x = 234,120.67 × 43,762.75
  4. Step 4: Simplify right side
    156,088.50x = 10,245,764,351.04
  5. Step 5: Solve for x
    x = 10,245,764,351.04/156,088.50
  6. Step 6: Final answer
    x = 65,640.74

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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.