Home / 127,584.27-191,404.08-38,835.47

Finding the Fourth Proportional to 127,584.27, 191,404.08 and 38,835.47

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Solution

The fourth proportional to 127,584.27, 191,404.08 and 38,835.47 is: 58,261.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,584.27 : 191,404.08 = 38,835.47 : x
  2. Step 2: Convert to fraction form
    127,584.27/191,404.08 = 38,835.47/x
  3. Step 3: Cross multiply
    127,584.27x = 191,404.08 × 38,835.47
  4. Step 4: Simplify right side
    127,584.27x = 7,433,266,808.58
  5. Step 5: Solve for x
    x = 7,433,266,808.58/127,584.27
  6. Step 6: Final answer
    x = 58,261.62

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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.