Home / 185,333.55-255,760.17-100,450.64

Finding the Fourth Proportional to 185,333.55, 255,760.17 and 100,450.64

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Solution

The fourth proportional to 185,333.55, 255,760.17 and 100,450.64 is: 138,621.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,333.55 : 255,760.17 = 100,450.64 : x
  2. Step 2: Convert to fraction form
    185,333.55/255,760.17 = 100,450.64/x
  3. Step 3: Cross multiply
    185,333.55x = 255,760.17 × 100,450.64
  4. Step 4: Simplify right side
    185,333.55x = 25,691,271,484.21
  5. Step 5: Solve for x
    x = 25,691,271,484.21/185,333.55
  6. Step 6: Final answer
    x = 138,621.81

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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.