Home / 356,331.92-491,738.16-195,192.77

Finding the Fourth Proportional to 356,331.92, 491,738.16 and 195,192.77

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Solution

The fourth proportional to 356,331.92, 491,738.16 and 195,192.77 is: 269,366.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,331.92 : 491,738.16 = 195,192.77 : x
  2. Step 2: Convert to fraction form
    356,331.92/491,738.16 = 195,192.77/x
  3. Step 3: Cross multiply
    356,331.92x = 491,738.16 × 195,192.77
  4. Step 4: Simplify right side
    356,331.92x = 95,983,731,106.41
  5. Step 5: Solve for x
    x = 95,983,731,106.41/356,331.92
  6. Step 6: Final answer
    x = 269,366.08

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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.