Home / 193,861.64-290,769.96-53,631.20

Finding the Fourth Proportional to 193,861.64, 290,769.96 and 53,631.20

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Solution

The fourth proportional to 193,861.64, 290,769.96 and 53,631.20 is: 80,440.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,861.64 : 290,769.96 = 53,631.20 : x
  2. Step 2: Convert to fraction form
    193,861.64/290,769.96 = 53,631.20/x
  3. Step 3: Cross multiply
    193,861.64x = 290,769.96 × 53,631.20
  4. Step 4: Simplify right side
    193,861.64x = 15,594,341,878.75
  5. Step 5: Solve for x
    x = 15,594,341,878.75/193,861.64
  6. Step 6: Final answer
    x = 80,440.58

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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.