Home / 189,910.61-284,778.09-69,937.27

Finding the Fourth Proportional to 189,910.61, 284,778.09 and 69,937.27

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Solution

The fourth proportional to 189,910.61, 284,778.09 and 69,937.27 is: 104,873.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,910.61 : 284,778.09 = 69,937.27 : x
  2. Step 2: Convert to fraction form
    189,910.61/284,778.09 = 69,937.27/x
  3. Step 3: Cross multiply
    189,910.61x = 284,778.09 × 69,937.27
  4. Step 4: Simplify right side
    189,910.61x = 19,916,602,170.41
  5. Step 5: Solve for x
    x = 19,916,602,170.41/189,910.61
  6. Step 6: Final answer
    x = 104,873.56

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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.