Home / 187,458.25-258,692.39-102,575.32

Finding the Fourth Proportional to 187,458.25, 258,692.39 and 102,575.32

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Solution

The fourth proportional to 187,458.25, 258,692.39 and 102,575.32 is: 141,553.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,458.25 : 258,692.39 = 102,575.32 : x
  2. Step 2: Convert to fraction form
    187,458.25/258,692.39 = 102,575.32/x
  3. Step 3: Cross multiply
    187,458.25x = 258,692.39 × 102,575.32
  4. Step 4: Simplify right side
    187,458.25x = 26,535,454,685.81
  5. Step 5: Solve for x
    x = 26,535,454,685.81/187,458.25
  6. Step 6: Final answer
    x = 141,553.94

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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.