Home / 98,191.36-135,496.52-55,157.14

Finding the Fourth Proportional to 98,191.36, 135,496.52 and 55,157.14

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Solution

The fourth proportional to 98,191.36, 135,496.52 and 55,157.14 is: 76,112.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,191.36 : 135,496.52 = 55,157.14 : x
  2. Step 2: Convert to fraction form
    98,191.36/135,496.52 = 55,157.14/x
  3. Step 3: Cross multiply
    98,191.36x = 135,496.52 × 55,157.14
  4. Step 4: Simplify right side
    98,191.36x = 7,473,600,523.15
  5. Step 5: Solve for x
    x = 7,473,600,523.15/98,191.36
  6. Step 6: Final answer
    x = 76,112.61

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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.