Home / 135,692.24-187,266.78-75,282.32

Finding the Fourth Proportional to 135,692.24, 187,266.78 and 75,282.32

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Solution

The fourth proportional to 135,692.24, 187,266.78 and 75,282.32 is: 103,895.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,692.24 : 187,266.78 = 75,282.32 : x
  2. Step 2: Convert to fraction form
    135,692.24/187,266.78 = 75,282.32/x
  3. Step 3: Cross multiply
    135,692.24x = 187,266.78 × 75,282.32
  4. Step 4: Simplify right side
    135,692.24x = 14,097,877,657.33
  5. Step 5: Solve for x
    x = 14,097,877,657.33/135,692.24
  6. Step 6: Final answer
    x = 103,895.98

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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.