Home / 135,667.26-187,220.80-75,247.14

Finding the Fourth Proportional to 135,667.26, 187,220.80 and 75,247.14

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Solution

The fourth proportional to 135,667.26, 187,220.80 and 75,247.14 is: 103,841.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,667.26 : 187,220.80 = 75,247.14 : x
  2. Step 2: Convert to fraction form
    135,667.26/187,220.80 = 75,247.14/x
  3. Step 3: Cross multiply
    135,667.26x = 187,220.80 × 75,247.14
  4. Step 4: Simplify right side
    135,667.26x = 14,087,829,748.51
  5. Step 5: Solve for x
    x = 14,087,829,748.51/135,667.26
  6. Step 6: Final answer
    x = 103,841.04

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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.