Home / 126,636.48-189,095.04-113,339.52

Finding the Fourth Proportional to 126,636.48, 189,095.04 and 113,339.52

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Solution

The fourth proportional to 126,636.48, 189,095.04 and 113,339.52 is: 169,239.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,636.48 : 189,095.04 = 113,339.52 : x
  2. Step 2: Convert to fraction form
    126,636.48/189,095.04 = 113,339.52/x
  3. Step 3: Cross multiply
    126,636.48x = 189,095.04 × 113,339.52
  4. Step 4: Simplify right side
    126,636.48x = 21,431,941,067.98
  5. Step 5: Solve for x
    x = 21,431,941,067.98/126,636.48
  6. Step 6: Final answer
    x = 169,239.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.