Home / 142,174.15-213,202.01-57,877.14

Finding the Fourth Proportional to 142,174.15, 213,202.01 and 57,877.14

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Solution

The fourth proportional to 142,174.15, 213,202.01 and 57,877.14 is: 86,791.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,174.15 : 213,202.01 = 57,877.14 : x
  2. Step 2: Convert to fraction form
    142,174.15/213,202.01 = 57,877.14/x
  3. Step 3: Cross multiply
    142,174.15x = 213,202.01 × 57,877.14
  4. Step 4: Simplify right side
    142,174.15x = 12,339,521,225.66
  5. Step 5: Solve for x
    x = 12,339,521,225.66/142,174.15
  6. Step 6: Final answer
    x = 86,791.59

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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.