Home / 443,372.70-664,929.45-159,030.30

Finding the Fourth Proportional to 443,372.70, 664,929.45 and 159,030.30

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Solution

The fourth proportional to 443,372.70, 664,929.45 and 159,030.30 is: 238,498.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,372.70 : 664,929.45 = 159,030.30 : x
  2. Step 2: Convert to fraction form
    443,372.70/664,929.45 = 159,030.30/x
  3. Step 3: Cross multiply
    443,372.70x = 664,929.45 × 159,030.30
  4. Step 4: Simplify right side
    443,372.70x = 105,743,929,912.34
  5. Step 5: Solve for x
    x = 105,743,929,912.34/443,372.70
  6. Step 6: Final answer
    x = 238,498.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.