Home / 150,519.36-207,723.08-85,999.22

Finding the Fourth Proportional to 150,519.36, 207,723.08 and 85,999.22

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Solution

The fourth proportional to 150,519.36, 207,723.08 and 85,999.22 is: 118,682.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,519.36 : 207,723.08 = 85,999.22 : x
  2. Step 2: Convert to fraction form
    150,519.36/207,723.08 = 85,999.22/x
  3. Step 3: Cross multiply
    150,519.36x = 207,723.08 × 85,999.22
  4. Step 4: Simplify right side
    150,519.36x = 17,864,022,811.34
  5. Step 5: Solve for x
    x = 17,864,022,811.34/150,519.36
  6. Step 6: Final answer
    x = 118,682.56

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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.