Home / 190,481.60-262,854.24-105,610.88

Finding the Fourth Proportional to 190,481.60, 262,854.24 and 105,610.88

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Solution

The fourth proportional to 190,481.60, 262,854.24 and 105,610.88 is: 145,737.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,481.60 : 262,854.24 = 105,610.88 : x
  2. Step 2: Convert to fraction form
    190,481.60/262,854.24 = 105,610.88/x
  3. Step 3: Cross multiply
    190,481.60x = 262,854.24 × 105,610.88
  4. Step 4: Simplify right side
    190,481.60x = 27,760,267,598.13
  5. Step 5: Solve for x
    x = 27,760,267,598.13/190,481.60
  6. Step 6: Final answer
    x = 145,737.27

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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.