Home / 127,233.60-190,687.20-71,073.60

Finding the Fourth Proportional to 127,233.60, 190,687.20 and 71,073.60

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Solution

The fourth proportional to 127,233.60, 190,687.20 and 71,073.60 is: 106,519.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,233.60 : 190,687.20 = 71,073.60 : x
  2. Step 2: Convert to fraction form
    127,233.60/190,687.20 = 71,073.60/x
  3. Step 3: Cross multiply
    127,233.60x = 190,687.20 × 71,073.60
  4. Step 4: Simplify right side
    127,233.60x = 13,552,825,777.92
  5. Step 5: Solve for x
    x = 13,552,825,777.92/127,233.60
  6. Step 6: Final answer
    x = 106,519.24

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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.