Home / 192,660.12-265,866.30-107,780.22

Finding the Fourth Proportional to 192,660.12, 265,866.30 and 107,780.22

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Solution

The fourth proportional to 192,660.12, 265,866.30 and 107,780.22 is: 148,734.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,660.12 : 265,866.30 = 107,780.22 : x
  2. Step 2: Convert to fraction form
    192,660.12/265,866.30 = 107,780.22/x
  3. Step 3: Cross multiply
    192,660.12x = 265,866.30 × 107,780.22
  4. Step 4: Simplify right side
    192,660.12x = 28,655,128,304.59
  5. Step 5: Solve for x
    x = 28,655,128,304.59/192,660.12
  6. Step 6: Final answer
    x = 148,734.09

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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.