Home / 185,609.26-256,140.94-100,726.32

Finding the Fourth Proportional to 185,609.26, 256,140.94 and 100,726.32

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Solution

The fourth proportional to 185,609.26, 256,140.94 and 100,726.32 is: 139,002.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,609.26 : 256,140.94 = 100,726.32 : x
  2. Step 2: Convert to fraction form
    185,609.26/256,140.94 = 100,726.32/x
  3. Step 3: Cross multiply
    185,609.26x = 256,140.94 × 100,726.32
  4. Step 4: Simplify right side
    185,609.26x = 25,800,134,287.54
  5. Step 5: Solve for x
    x = 25,800,134,287.54/185,609.26
  6. Step 6: Final answer
    x = 139,002.41

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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.