Home / 185,351.90-255,778.76-100,467.14

Finding the Fourth Proportional to 185,351.90, 255,778.76 and 100,467.14

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Solution

The fourth proportional to 185,351.90, 255,778.76 and 100,467.14 is: 138,640.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,351.90 : 255,778.76 = 100,467.14 : x
  2. Step 2: Convert to fraction form
    185,351.90/255,778.76 = 100,467.14/x
  3. Step 3: Cross multiply
    185,351.90x = 255,778.76 × 100,467.14
  4. Step 4: Simplify right side
    185,351.90x = 25,697,359,462.22
  5. Step 5: Solve for x
    x = 25,697,359,462.22/185,351.90
  6. Step 6: Final answer
    x = 138,640.93

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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.