Home / 154,712.52-231,772.32-104,706.36

Finding the Fourth Proportional to 154,712.52, 231,772.32 and 104,706.36

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Solution

The fourth proportional to 154,712.52, 231,772.32 and 104,706.36 is: 156,858.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,712.52 : 231,772.32 = 104,706.36 : x
  2. Step 2: Convert to fraction form
    154,712.52/231,772.32 = 104,706.36/x
  3. Step 3: Cross multiply
    154,712.52x = 231,772.32 × 104,706.36
  4. Step 4: Simplify right side
    154,712.52x = 24,268,035,975.96
  5. Step 5: Solve for x
    x = 24,268,035,975.96/154,712.52
  6. Step 6: Final answer
    x = 156,858.90

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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.