Home / 189,598.28-284,456.10-113,781.48

Finding the Fourth Proportional to 189,598.28, 284,456.10 and 113,781.48

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Solution

The fourth proportional to 189,598.28, 284,456.10 and 113,781.48 is: 170,707.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,598.28 : 284,456.10 = 113,781.48 : x
  2. Step 2: Convert to fraction form
    189,598.28/284,456.10 = 113,781.48/x
  3. Step 3: Cross multiply
    189,598.28x = 284,456.10 × 113,781.48
  4. Step 4: Simplify right side
    189,598.28x = 32,365,836,053.03
  5. Step 5: Solve for x
    x = 32,365,836,053.03/189,598.28
  6. Step 6: Final answer
    x = 170,707.43

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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.