Home / 127,933.76-191,925.25-39,188.04

Finding the Fourth Proportional to 127,933.76, 191,925.25 and 39,188.04

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Solution

The fourth proportional to 127,933.76, 191,925.25 and 39,188.04 is: 58,789.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,933.76 : 191,925.25 = 39,188.04 : x
  2. Step 2: Convert to fraction form
    127,933.76/191,925.25 = 39,188.04/x
  3. Step 3: Cross multiply
    127,933.76x = 191,925.25 × 39,188.04
  4. Step 4: Simplify right side
    127,933.76x = 7,521,173,556.32
  5. Step 5: Solve for x
    x = 7,521,173,556.32/127,933.76
  6. Step 6: Final answer
    x = 58,789.59

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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.