Home / 189,845.52-284,940.76-101,174.80

Finding the Fourth Proportional to 189,845.52, 284,940.76 and 101,174.80

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Solution

The fourth proportional to 189,845.52, 284,940.76 and 101,174.80 is: 151,854.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,845.52 : 284,940.76 = 101,174.80 : x
  2. Step 2: Convert to fraction form
    189,845.52/284,940.76 = 101,174.80/x
  3. Step 3: Cross multiply
    189,845.52x = 284,940.76 × 101,174.80
  4. Step 4: Simplify right side
    189,845.52x = 28,828,824,404.85
  5. Step 5: Solve for x
    x = 28,828,824,404.85/189,845.52
  6. Step 6: Final answer
    x = 151,854.12

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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.