Home / 146,331.12-201,932.82-85,900.80

Finding the Fourth Proportional to 146,331.12, 201,932.82 and 85,900.80

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Solution

The fourth proportional to 146,331.12, 201,932.82 and 85,900.80 is: 118,540.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,331.12 : 201,932.82 = 85,900.80 : x
  2. Step 2: Convert to fraction form
    146,331.12/201,932.82 = 85,900.80/x
  3. Step 3: Cross multiply
    146,331.12x = 201,932.82 × 85,900.80
  4. Step 4: Simplify right side
    146,331.12x = 17,346,190,784.26
  5. Step 5: Solve for x
    x = 17,346,190,784.26/146,331.12
  6. Step 6: Final answer
    x = 118,540.68

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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.