Home / 356,916.51-492,558.57-195,778.35

Finding the Fourth Proportional to 356,916.51, 492,558.57 and 195,778.35

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Solution

The fourth proportional to 356,916.51, 492,558.57 and 195,778.35 is: 270,181.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,916.51 : 492,558.57 = 195,778.35 : x
  2. Step 2: Convert to fraction form
    356,916.51/492,558.57 = 195,778.35/x
  3. Step 3: Cross multiply
    356,916.51x = 492,558.57 × 195,778.35
  4. Step 4: Simplify right side
    356,916.51x = 96,432,304,112.96
  5. Step 5: Solve for x
    x = 96,432,304,112.96/356,916.51
  6. Step 6: Final answer
    x = 270,181.69

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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.