Home / 231,065.40-346,713.30-131,302.20

Finding the Fourth Proportional to 231,065.40, 346,713.30 and 131,302.20

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Solution

The fourth proportional to 231,065.40, 346,713.30 and 131,302.20 is: 197,018.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,065.40 : 346,713.30 = 131,302.20 : x
  2. Step 2: Convert to fraction form
    231,065.40/346,713.30 = 131,302.20/x
  3. Step 3: Cross multiply
    231,065.40x = 346,713.30 × 131,302.20
  4. Step 4: Simplify right side
    231,065.40x = 45,524,219,059.26
  5. Step 5: Solve for x
    x = 45,524,219,059.26/231,065.40
  6. Step 6: Final answer
    x = 197,018.76

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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.