Home / 135,701.96-187,269.83-75,276.53

Finding the Fourth Proportional to 135,701.96, 187,269.83 and 75,276.53

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Solution

The fourth proportional to 135,701.96, 187,269.83 and 75,276.53 is: 103,882.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,701.96 : 187,269.83 = 75,276.53 : x
  2. Step 2: Convert to fraction form
    135,701.96/187,269.83 = 75,276.53/x
  3. Step 3: Cross multiply
    135,701.96x = 187,269.83 × 75,276.53
  4. Step 4: Simplify right side
    135,701.96x = 14,097,021,663.36
  5. Step 5: Solve for x
    x = 14,097,021,663.36/135,701.96
  6. Step 6: Final answer
    x = 103,882.23

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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.