Home / 156,874.05-235,803.15-153,921.60

Finding the Fourth Proportional to 156,874.05, 235,803.15 and 153,921.60

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Solution

The fourth proportional to 156,874.05, 235,803.15 and 153,921.60 is: 231,365.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,874.05 : 235,803.15 = 153,921.60 : x
  2. Step 2: Convert to fraction form
    156,874.05/235,803.15 = 153,921.60/x
  3. Step 3: Cross multiply
    156,874.05x = 235,803.15 × 153,921.60
  4. Step 4: Simplify right side
    156,874.05x = 36,295,198,133.04
  5. Step 5: Solve for x
    x = 36,295,198,133.04/156,874.05
  6. Step 6: Final answer
    x = 231,365.21

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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.