Home / 187,974.76-259,405.30-103,092.16

Finding the Fourth Proportional to 187,974.76, 259,405.30 and 103,092.16

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Solution

The fourth proportional to 187,974.76, 259,405.30 and 103,092.16 is: 142,267.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,974.76 : 259,405.30 = 103,092.16 : x
  2. Step 2: Convert to fraction form
    187,974.76/259,405.30 = 103,092.16/x
  3. Step 3: Cross multiply
    187,974.76x = 259,405.30 × 103,092.16
  4. Step 4: Simplify right side
    187,974.76x = 26,742,652,692.45
  5. Step 5: Solve for x
    x = 26,742,652,692.45/187,974.76
  6. Step 6: Final answer
    x = 142,267.25

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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.