Home / 126,653.57-190,197.67-112,454.12

Finding the Fourth Proportional to 126,653.57, 190,197.67 and 112,454.12

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Solution

The fourth proportional to 126,653.57, 190,197.67 and 112,454.12 is: 168,874.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,653.57 : 190,197.67 = 112,454.12 : x
  2. Step 2: Convert to fraction form
    126,653.57/190,197.67 = 112,454.12/x
  3. Step 3: Cross multiply
    126,653.57x = 190,197.67 × 112,454.12
  4. Step 4: Simplify right side
    126,653.57x = 21,388,512,011.11
  5. Step 5: Solve for x
    x = 21,388,512,011.11/126,653.57
  6. Step 6: Final answer
    x = 168,874.13

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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.