Home / 135,706.14-187,277.48-75,274.82

Finding the Fourth Proportional to 135,706.14, 187,277.48 and 75,274.82

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Solution

The fourth proportional to 135,706.14, 187,277.48 and 75,274.82 is: 103,880.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,706.14 : 187,277.48 = 75,274.82 : x
  2. Step 2: Convert to fraction form
    135,706.14/187,277.48 = 75,274.82/x
  3. Step 3: Cross multiply
    135,706.14x = 187,277.48 × 75,274.82
  4. Step 4: Simplify right side
    135,706.14x = 14,097,277,284.29
  5. Step 5: Solve for x
    x = 14,097,277,284.29/135,706.14
  6. Step 6: Final answer
    x = 103,880.91

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1.5x scale

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.