Home / 161,201.14-241,801.40-42,872.59

Finding the Fourth Proportional to 161,201.14, 241,801.40 and 42,872.59

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Solution

The fourth proportional to 161,201.14, 241,801.40 and 42,872.59 is: 64,308.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,201.14 : 241,801.40 = 42,872.59 : x
  2. Step 2: Convert to fraction form
    161,201.14/241,801.40 = 42,872.59/x
  3. Step 3: Cross multiply
    161,201.14x = 241,801.40 × 42,872.59
  4. Step 4: Simplify right side
    161,201.14x = 10,366,652,693.06
  5. Step 5: Solve for x
    x = 10,366,652,693.06/161,201.14
  6. Step 6: Final answer
    x = 64,308.81

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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.