Home / 356,916.10-492,535.74-195,769.72

Finding the Fourth Proportional to 356,916.10, 492,535.74 and 195,769.72

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Solution

The fourth proportional to 356,916.10, 492,535.74 and 195,769.72 is: 270,157.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,916.10 : 492,535.74 = 195,769.72 : x
  2. Step 2: Convert to fraction form
    356,916.10/492,535.74 = 195,769.72/x
  3. Step 3: Cross multiply
    356,916.10x = 492,535.74 × 195,769.72
  4. Step 4: Simplify right side
    356,916.10x = 96,423,583,909.79
  5. Step 5: Solve for x
    x = 96,423,583,909.79/356,916.10
  6. Step 6: Final answer
    x = 270,157.56

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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.