Home / 185,593.90-256,120.26-100,710.96

Finding the Fourth Proportional to 185,593.90, 256,120.26 and 100,710.96

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Solution

The fourth proportional to 185,593.90, 256,120.26 and 100,710.96 is: 138,981.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,593.90 : 256,120.26 = 100,710.96 : x
  2. Step 2: Convert to fraction form
    185,593.90/256,120.26 = 100,710.96/x
  3. Step 3: Cross multiply
    185,593.90x = 256,120.26 × 100,710.96
  4. Step 4: Simplify right side
    185,593.90x = 25,794,115,475.89
  5. Step 5: Solve for x
    x = 25,794,115,475.89/185,593.90
  6. Step 6: Final answer
    x = 138,981.49

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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.