Home / 127,976.55-192,001.71-39,243.14

Finding the Fourth Proportional to 127,976.55, 192,001.71 and 39,243.14

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Solution

The fourth proportional to 127,976.55, 192,001.71 and 39,243.14 is: 58,876.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,976.55 : 192,001.71 = 39,243.14 : x
  2. Step 2: Convert to fraction form
    127,976.55/192,001.71 = 39,243.14/x
  3. Step 3: Cross multiply
    127,976.55x = 192,001.71 × 39,243.14
  4. Step 4: Simplify right side
    127,976.55x = 7,534,749,025.76
  5. Step 5: Solve for x
    x = 7,534,749,025.76/127,976.55
  6. Step 6: Final answer
    x = 58,876.01

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1.5x scale

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.