Home / 231,100.20-346,682.70-90,826.20

Finding the Fourth Proportional to 231,100.20, 346,682.70 and 90,826.20

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Solution

The fourth proportional to 231,100.20, 346,682.70 and 90,826.20 is: 136,252.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,100.20 : 346,682.70 = 90,826.20 : x
  2. Step 2: Convert to fraction form
    231,100.20/346,682.70 = 90,826.20/x
  3. Step 3: Cross multiply
    231,100.20x = 346,682.70 × 90,826.20
  4. Step 4: Simplify right side
    231,100.20x = 31,487,872,246.74
  5. Step 5: Solve for x
    x = 31,487,872,246.74/231,100.20
  6. Step 6: Final answer
    x = 136,252.03

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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.