Home / 185,799.44-256,401.82-100,917.11

Finding the Fourth Proportional to 185,799.44, 256,401.82 and 100,917.11

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Solution

The fourth proportional to 185,799.44, 256,401.82 and 100,917.11 is: 139,264.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,799.44 : 256,401.82 = 100,917.11 : x
  2. Step 2: Convert to fraction form
    185,799.44/256,401.82 = 100,917.11/x
  3. Step 3: Cross multiply
    185,799.44x = 256,401.82 × 100,917.11
  4. Step 4: Simplify right side
    185,799.44x = 25,875,331,440.29
  5. Step 5: Solve for x
    x = 25,875,331,440.29/185,799.44
  6. Step 6: Final answer
    x = 139,264.85

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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.