Home / 141,976.32-212,783.56-75,448.32

Finding the Fourth Proportional to 141,976.32, 212,783.56 and 75,448.32

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Solution

The fourth proportional to 141,976.32, 212,783.56 and 75,448.32 is: 113,076.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,976.32 : 212,783.56 = 75,448.32 : x
  2. Step 2: Convert to fraction form
    141,976.32/212,783.56 = 75,448.32/x
  3. Step 3: Cross multiply
    141,976.32x = 212,783.56 × 75,448.32
  4. Step 4: Simplify right side
    141,976.32x = 16,054,162,125.62
  5. Step 5: Solve for x
    x = 16,054,162,125.62/141,976.32
  6. Step 6: Final answer
    x = 113,076.34

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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.