Home / 135,692.22-187,248.66-75,257.49

Finding the Fourth Proportional to 135,692.22, 187,248.66 and 75,257.49

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Solution

The fourth proportional to 135,692.22, 187,248.66 and 75,257.49 is: 103,851.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,692.22 : 187,248.66 = 75,257.49 : x
  2. Step 2: Convert to fraction form
    135,692.22/187,248.66 = 75,257.49/x
  3. Step 3: Cross multiply
    135,692.22x = 187,248.66 × 75,257.49
  4. Step 4: Simplify right side
    135,692.22x = 14,091,864,157.46
  5. Step 5: Solve for x
    x = 14,091,864,157.46/135,692.22
  6. Step 6: Final answer
    x = 103,851.67

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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.