Home / 297,916.20-446,885.10-87,575.40

Finding the Fourth Proportional to 297,916.20, 446,885.10 and 87,575.40

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Solution

The fourth proportional to 297,916.20, 446,885.10 and 87,575.40 is: 131,366.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,916.20 : 446,885.10 = 87,575.40 : x
  2. Step 2: Convert to fraction form
    297,916.20/446,885.10 = 87,575.40/x
  3. Step 3: Cross multiply
    297,916.20x = 446,885.10 × 87,575.40
  4. Step 4: Simplify right side
    297,916.20x = 39,136,141,386.54
  5. Step 5: Solve for x
    x = 39,136,141,386.54/297,916.20
  6. Step 6: Final answer
    x = 131,366.27

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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.