Home / 194,448.30-291,672.45-131,462.70

Finding the Fourth Proportional to 194,448.30, 291,672.45 and 131,462.70

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Solution

The fourth proportional to 194,448.30, 291,672.45 and 131,462.70 is: 197,194.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,448.30 : 291,672.45 = 131,462.70 : x
  2. Step 2: Convert to fraction form
    194,448.30/291,672.45 = 131,462.70/x
  3. Step 3: Cross multiply
    194,448.30x = 291,672.45 × 131,462.70
  4. Step 4: Simplify right side
    194,448.30x = 38,344,047,792.62
  5. Step 5: Solve for x
    x = 38,344,047,792.62/194,448.30
  6. Step 6: Final answer
    x = 197,194.05

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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.