Home / 142,801.17-214,231.82-54,052.71

Finding the Fourth Proportional to 142,801.17, 214,231.82 and 54,052.71

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Solution

The fourth proportional to 142,801.17, 214,231.82 and 54,052.71 is: 81,090.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,801.17 : 214,231.82 = 54,052.71 : x
  2. Step 2: Convert to fraction form
    142,801.17/214,231.82 = 54,052.71/x
  3. Step 3: Cross multiply
    142,801.17x = 214,231.82 × 54,052.71
  4. Step 4: Simplify right side
    142,801.17x = 11,579,810,439.23
  5. Step 5: Solve for x
    x = 11,579,810,439.23/142,801.17
  6. Step 6: Final answer
    x = 81,090.45

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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.