Home / 143,922.64-198,928.56-126,796

Finding the Fourth Proportional to 143,922.64, 198,928.56 and 126,796

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Solution

The fourth proportional to 143,922.64, 198,928.56 and 126,796 is: 175,256.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,922.64 : 198,928.56 = 126,796 : x
  2. Step 2: Convert to fraction form
    143,922.64/198,928.56 = 126,796/x
  3. Step 3: Cross multiply
    143,922.64x = 198,928.56 × 126,796
  4. Step 4: Simplify right side
    143,922.64x = 25,223,345,693.76
  5. Step 5: Solve for x
    x = 25,223,345,693.76/143,922.64
  6. Step 6: Final answer
    x = 175,256.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.