Home / 193,913.76-290,877-53,660.64

Finding the Fourth Proportional to 193,913.76, 290,877 and 53,660.64

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Solution

The fourth proportional to 193,913.76, 290,877 and 53,660.64 is: 80,492.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,913.76 : 290,877 = 53,660.64 : x
  2. Step 2: Convert to fraction form
    193,913.76/290,877 = 53,660.64/x
  3. Step 3: Cross multiply
    193,913.76x = 290,877 × 53,660.64
  4. Step 4: Simplify right side
    193,913.76x = 15,608,645,981.28
  5. Step 5: Solve for x
    x = 15,608,645,981.28/193,913.76
  6. Step 6: Final answer
    x = 80,492.72

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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.