Home / 296,888.50-409,732.05-162,778.42

Finding the Fourth Proportional to 296,888.50, 409,732.05 and 162,778.42

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Solution

The fourth proportional to 296,888.50, 409,732.05 and 162,778.42 is: 224,648.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,888.50 : 409,732.05 = 162,778.42 : x
  2. Step 2: Convert to fraction form
    296,888.50/409,732.05 = 162,778.42/x
  3. Step 3: Cross multiply
    296,888.50x = 409,732.05 × 162,778.42
  4. Step 4: Simplify right side
    296,888.50x = 66,695,535,722.36
  5. Step 5: Solve for x
    x = 66,695,535,722.36/296,888.50
  6. Step 6: Final answer
    x = 224,648.43

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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.