Home / 135,696.60-187,254.18-75,262.50

Finding the Fourth Proportional to 135,696.60, 187,254.18 and 75,262.50

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Solution

The fourth proportional to 135,696.60, 187,254.18 and 75,262.50 is: 103,858.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,696.60 : 187,254.18 = 75,262.50 : x
  2. Step 2: Convert to fraction form
    135,696.60/187,254.18 = 75,262.50/x
  3. Step 3: Cross multiply
    135,696.60x = 187,254.18 × 75,262.50
  4. Step 4: Simplify right side
    135,696.60x = 14,093,217,722.25
  5. Step 5: Solve for x
    x = 14,093,217,722.25/135,696.60
  6. Step 6: Final answer
    x = 103,858.30

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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.