Home / 185,855.26-256,464.34-103,071.91

Finding the Fourth Proportional to 185,855.26, 256,464.34 and 103,071.91

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Solution

The fourth proportional to 185,855.26, 256,464.34 and 103,071.91 is: 142,230.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,855.26 : 256,464.34 = 103,071.91 : x
  2. Step 2: Convert to fraction form
    185,855.26/256,464.34 = 103,071.91/x
  3. Step 3: Cross multiply
    185,855.26x = 256,464.34 × 103,071.91
  4. Step 4: Simplify right side
    185,855.26x = 26,434,269,370.69
  5. Step 5: Solve for x
    x = 26,434,269,370.69/185,855.26
  6. Step 6: Final answer
    x = 142,230.41

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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.