Home / 185,749.75-256,332.39-100,867.42

Finding the Fourth Proportional to 185,749.75, 256,332.39 and 100,867.42

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Solution

The fourth proportional to 185,749.75, 256,332.39 and 100,867.42 is: 139,195.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,749.75 : 256,332.39 = 100,867.42 : x
  2. Step 2: Convert to fraction form
    185,749.75/256,332.39 = 100,867.42/x
  3. Step 3: Cross multiply
    185,749.75x = 256,332.39 × 100,867.42
  4. Step 4: Simplify right side
    185,749.75x = 25,855,585,560.07
  5. Step 5: Solve for x
    x = 25,855,585,560.07/185,749.75
  6. Step 6: Final answer
    x = 139,195.81

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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.