Home / 190,227.32-285,343.44-90,397.28

Finding the Fourth Proportional to 190,227.32, 285,343.44 and 90,397.28

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Solution

The fourth proportional to 190,227.32, 285,343.44 and 90,397.28 is: 135,597.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,227.32 : 285,343.44 = 90,397.28 : x
  2. Step 2: Convert to fraction form
    190,227.32/285,343.44 = 90,397.28/x
  3. Step 3: Cross multiply
    190,227.32x = 285,343.44 × 90,397.28
  4. Step 4: Simplify right side
    190,227.32x = 25,794,270,841.84
  5. Step 5: Solve for x
    x = 25,794,270,841.84/190,227.32
  6. Step 6: Final answer
    x = 135,597.09

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1.5x scale

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.