Home / 115,336.24-158,927.80-85,073.60

Finding the Fourth Proportional to 115,336.24, 158,927.80 and 85,073.60

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Solution

The fourth proportional to 115,336.24, 158,927.80 and 85,073.60 is: 117,227.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,336.24 : 158,927.80 = 85,073.60 : x
  2. Step 2: Convert to fraction form
    115,336.24/158,927.80 = 85,073.60/x
  3. Step 3: Cross multiply
    115,336.24x = 158,927.80 × 85,073.60
  4. Step 4: Simplify right side
    115,336.24x = 13,520,560,086.08
  5. Step 5: Solve for x
    x = 13,520,560,086.08/115,336.24
  6. Step 6: Final answer
    x = 117,227.34

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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.