Home / 185,234.69-255,622.27-100,351.55

Finding the Fourth Proportional to 185,234.69, 255,622.27 and 100,351.55

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Solution

The fourth proportional to 185,234.69, 255,622.27 and 100,351.55 is: 138,484.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,234.69 : 255,622.27 = 100,351.55 : x
  2. Step 2: Convert to fraction form
    185,234.69/255,622.27 = 100,351.55/x
  3. Step 3: Cross multiply
    185,234.69x = 255,622.27 × 100,351.55
  4. Step 4: Simplify right side
    185,234.69x = 25,652,090,725.30
  5. Step 5: Solve for x
    x = 25,652,090,725.30/185,234.69
  6. Step 6: Final answer
    x = 138,484.27

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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.