Home / 126,621.60-189,932.40-33,127.35

Finding the Fourth Proportional to 126,621.60, 189,932.40 and 33,127.35

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Solution

The fourth proportional to 126,621.60, 189,932.40 and 33,127.35 is: 49,691.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,621.60 : 189,932.40 = 33,127.35 : x
  2. Step 2: Convert to fraction form
    126,621.60/189,932.40 = 33,127.35/x
  3. Step 3: Cross multiply
    126,621.60x = 189,932.40 × 33,127.35
  4. Step 4: Simplify right side
    126,621.60x = 6,291,957,091.14
  5. Step 5: Solve for x
    x = 6,291,957,091.14/126,621.60
  6. Step 6: Final answer
    x = 49,691.03

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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.