Home / 185,453.62-255,923.76-100,569.68

Finding the Fourth Proportional to 185,453.62, 255,923.76 and 100,569.68

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Solution

The fourth proportional to 185,453.62, 255,923.76 and 100,569.68 is: 138,784.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,453.62 : 255,923.76 = 100,569.68 : x
  2. Step 2: Convert to fraction form
    185,453.62/255,923.76 = 100,569.68/x
  3. Step 3: Cross multiply
    185,453.62x = 255,923.76 × 100,569.68
  4. Step 4: Simplify right side
    185,453.62x = 25,738,170,647.60
  5. Step 5: Solve for x
    x = 25,738,170,647.60/185,453.62
  6. Step 6: Final answer
    x = 138,784.95

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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.