Home / 187,973.72-259,403.76-103,092.56

Finding the Fourth Proportional to 187,973.72, 259,403.76 and 103,092.56

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Solution

The fourth proportional to 187,973.72, 259,403.76 and 103,092.56 is: 142,267.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,973.72 : 259,403.76 = 103,092.56 : x
  2. Step 2: Convert to fraction form
    187,973.72/259,403.76 = 103,092.56/x
  3. Step 3: Cross multiply
    187,973.72x = 259,403.76 × 103,092.56
  4. Step 4: Simplify right side
    187,973.72x = 26,742,597,692.03
  5. Step 5: Solve for x
    x = 26,742,597,692.03/187,973.72
  6. Step 6: Final answer
    x = 142,267.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.