Home / 297,787.10-446,637.45-87,403.10

Finding the Fourth Proportional to 297,787.10, 446,637.45 and 87,403.10

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Solution

The fourth proportional to 297,787.10, 446,637.45 and 87,403.10 is: 131,091.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,787.10 : 446,637.45 = 87,403.10 : x
  2. Step 2: Convert to fraction form
    297,787.10/446,637.45 = 87,403.10/x
  3. Step 3: Cross multiply
    297,787.10x = 446,637.45 × 87,403.10
  4. Step 4: Simplify right side
    297,787.10x = 39,037,497,706.10
  5. Step 5: Solve for x
    x = 39,037,497,706.10/297,787.10
  6. Step 6: Final answer
    x = 131,091.97

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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.