Home / 135,692.29-187,247.72-75,258.59

Finding the Fourth Proportional to 135,692.29, 187,247.72 and 75,258.59

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Solution

The fourth proportional to 135,692.29, 187,247.72 and 75,258.59 is: 103,852.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,692.29 : 187,247.72 = 75,258.59 : x
  2. Step 2: Convert to fraction form
    135,692.29/187,247.72 = 75,258.59/x
  3. Step 3: Cross multiply
    135,692.29x = 187,247.72 × 75,258.59
  4. Step 4: Simplify right side
    135,692.29x = 14,092,000,044.18
  5. Step 5: Solve for x
    x = 14,092,000,044.18/135,692.29
  6. Step 6: Final answer
    x = 103,852.62

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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.