Home / 297,815.10-446,722.65-129,416.10

Finding the Fourth Proportional to 297,815.10, 446,722.65 and 129,416.10

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Solution

The fourth proportional to 297,815.10, 446,722.65 and 129,416.10 is: 194,124.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,815.10 : 446,722.65 = 129,416.10 : x
  2. Step 2: Convert to fraction form
    297,815.10/446,722.65 = 129,416.10/x
  3. Step 3: Cross multiply
    297,815.10x = 446,722.65 × 129,416.10
  4. Step 4: Simplify right side
    297,815.10x = 57,813,103,144.67
  5. Step 5: Solve for x
    x = 57,813,103,144.67/297,815.10
  6. Step 6: Final answer
    x = 194,124.15

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1.5x scale

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.