Home / 256,240.03-384,025.62-185,401.28

Finding the Fourth Proportional to 256,240.03, 384,025.62 and 185,401.28

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Solution

The fourth proportional to 256,240.03, 384,025.62 and 185,401.28 is: 277,859.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,240.03 : 384,025.62 = 185,401.28 : x
  2. Step 2: Convert to fraction form
    256,240.03/384,025.62 = 185,401.28/x
  3. Step 3: Cross multiply
    256,240.03x = 384,025.62 × 185,401.28
  4. Step 4: Simplify right side
    256,240.03x = 71,198,841,500.79
  5. Step 5: Solve for x
    x = 71,198,841,500.79/256,240.03
  6. Step 6: Final answer
    x = 277,859.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.