Home / 185,668.36-256,226.98-100,785.42

Finding the Fourth Proportional to 185,668.36, 256,226.98 and 100,785.42

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Solution

The fourth proportional to 185,668.36, 256,226.98 and 100,785.42 is: 139,086.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,668.36 : 256,226.98 = 100,785.42 : x
  2. Step 2: Convert to fraction form
    185,668.36/256,226.98 = 100,785.42/x
  3. Step 3: Cross multiply
    185,668.36x = 256,226.98 × 100,785.42
  4. Step 4: Simplify right side
    185,668.36x = 25,823,943,794.63
  5. Step 5: Solve for x
    x = 25,823,943,794.63/185,668.36
  6. Step 6: Final answer
    x = 139,086.40

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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.