Home / 185,708.46-256,277.66-100,825.54

Finding the Fourth Proportional to 185,708.46, 256,277.66 and 100,825.54

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Solution

The fourth proportional to 185,708.46, 256,277.66 and 100,825.54 is: 139,139.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,708.46 : 256,277.66 = 100,825.54 : x
  2. Step 2: Convert to fraction form
    185,708.46/256,277.66 = 100,825.54/x
  3. Step 3: Cross multiply
    185,708.46x = 256,277.66 × 100,825.54
  4. Step 4: Simplify right side
    185,708.46x = 25,839,333,459.44
  5. Step 5: Solve for x
    x = 25,839,333,459.44/185,708.46
  6. Step 6: Final answer
    x = 139,139.24

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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.