Home / 127,519.52-191,289.99-38,773.79

Finding the Fourth Proportional to 127,519.52, 191,289.99 and 38,773.79

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Solution

The fourth proportional to 127,519.52, 191,289.99 and 38,773.79 is: 58,163.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,519.52 : 191,289.99 = 38,773.79 : x
  2. Step 2: Convert to fraction form
    127,519.52/191,289.99 = 38,773.79/x
  3. Step 3: Cross multiply
    127,519.52x = 191,289.99 × 38,773.79
  4. Step 4: Simplify right side
    127,519.52x = 7,417,037,707.49
  5. Step 5: Solve for x
    x = 7,417,037,707.49/127,519.52
  6. Step 6: Final answer
    x = 58,163.94

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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.