Home / 193,824.30-290,736.45-130,838.70

Finding the Fourth Proportional to 193,824.30, 290,736.45 and 130,838.70

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Solution

The fourth proportional to 193,824.30, 290,736.45 and 130,838.70 is: 196,258.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,824.30 : 290,736.45 = 130,838.70 : x
  2. Step 2: Convert to fraction form
    193,824.30/290,736.45 = 130,838.70/x
  3. Step 3: Cross multiply
    193,824.30x = 290,736.45 × 130,838.70
  4. Step 4: Simplify right side
    193,824.30x = 38,039,579,160.62
  5. Step 5: Solve for x
    x = 38,039,579,160.62/193,824.30
  6. Step 6: Final answer
    x = 196,258.05

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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.