Home / 135,175.41-202,885.68-72,048.57

Finding the Fourth Proportional to 135,175.41, 202,885.68 and 72,048.57

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Solution

The fourth proportional to 135,175.41, 202,885.68 and 72,048.57 is: 108,138.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,175.41 : 202,885.68 = 72,048.57 : x
  2. Step 2: Convert to fraction form
    135,175.41/202,885.68 = 72,048.57/x
  3. Step 3: Cross multiply
    135,175.41x = 202,885.68 × 72,048.57
  4. Step 4: Simplify right side
    135,175.41x = 14,617,623,117.48
  5. Step 5: Solve for x
    x = 14,617,623,117.48/135,175.41
  6. Step 6: Final answer
    x = 108,138.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.