Home / 194,480.10-291,259.35-131,811.30

Finding the Fourth Proportional to 194,480.10, 291,259.35 and 131,811.30

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Solution

The fourth proportional to 194,480.10, 291,259.35 and 131,811.30 is: 197,404.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,480.10 : 291,259.35 = 131,811.30 : x
  2. Step 2: Convert to fraction form
    194,480.10/291,259.35 = 131,811.30/x
  3. Step 3: Cross multiply
    194,480.10x = 291,259.35 × 131,811.30
  4. Step 4: Simplify right side
    194,480.10x = 38,391,273,560.66
  5. Step 5: Solve for x
    x = 38,391,273,560.66/194,480.10
  6. Step 6: Final answer
    x = 197,404.64

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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.