Home / 127,873.35-191,802.96-39,126.87

Finding the Fourth Proportional to 127,873.35, 191,802.96 and 39,126.87

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Solution

The fourth proportional to 127,873.35, 191,802.96 and 39,126.87 is: 58,688.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,873.35 : 191,802.96 = 39,126.87 : x
  2. Step 2: Convert to fraction form
    127,873.35/191,802.96 = 39,126.87/x
  3. Step 3: Cross multiply
    127,873.35x = 191,802.96 × 39,126.87
  4. Step 4: Simplify right side
    127,873.35x = 7,504,649,481.54
  5. Step 5: Solve for x
    x = 7,504,649,481.54/127,873.35
  6. Step 6: Final answer
    x = 58,688.14

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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.