Home / 356,766.28-492,331.74-195,622.68

Finding the Fourth Proportional to 356,766.28, 492,331.74 and 195,622.68

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Solution

The fourth proportional to 356,766.28, 492,331.74 and 195,622.68 is: 269,956.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,766.28 : 492,331.74 = 195,622.68 : x
  2. Step 2: Convert to fraction form
    356,766.28/492,331.74 = 195,622.68/x
  3. Step 3: Cross multiply
    356,766.28x = 492,331.74 × 195,622.68
  4. Step 4: Simplify right side
    356,766.28x = 96,311,254,427.86
  5. Step 5: Solve for x
    x = 96,311,254,427.86/356,766.28
  6. Step 6: Final answer
    x = 269,956.16

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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.