Home / 185,786.88-256,492.20-122,309.20

Finding the Fourth Proportional to 185,786.88, 256,492.20 and 122,309.20

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Solution

The fourth proportional to 185,786.88, 256,492.20 and 122,309.20 is: 168,856.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,786.88 : 256,492.20 = 122,309.20 : x
  2. Step 2: Convert to fraction form
    185,786.88/256,492.20 = 122,309.20/x
  3. Step 3: Cross multiply
    185,786.88x = 256,492.20 × 122,309.20
  4. Step 4: Simplify right side
    185,786.88x = 31,371,355,788.24
  5. Step 5: Solve for x
    x = 31,371,355,788.24/185,786.88
  6. Step 6: Final answer
    x = 168,856.68

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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.