Home / 142,867.28-214,302.54-54,096.68

Finding the Fourth Proportional to 142,867.28, 214,302.54 and 54,096.68

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Solution

The fourth proportional to 142,867.28, 214,302.54 and 54,096.68 is: 81,145.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,867.28 : 214,302.54 = 54,096.68 : x
  2. Step 2: Convert to fraction form
    142,867.28/214,302.54 = 54,096.68/x
  3. Step 3: Cross multiply
    142,867.28x = 214,302.54 × 54,096.68
  4. Step 4: Simplify right side
    142,867.28x = 11,593,055,929.57
  5. Step 5: Solve for x
    x = 11,593,055,929.57/142,867.28
  6. Step 6: Final answer
    x = 81,145.63

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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.