Home / 231,226.80-346,451.40-191,569.20

Finding the Fourth Proportional to 231,226.80, 346,451.40 and 191,569.20

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Solution

The fourth proportional to 231,226.80, 346,451.40 and 191,569.20 is: 287,031.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,226.80 : 346,451.40 = 191,569.20 : x
  2. Step 2: Convert to fraction form
    231,226.80/346,451.40 = 191,569.20/x
  3. Step 3: Cross multiply
    231,226.80x = 346,451.40 × 191,569.20
  4. Step 4: Simplify right side
    231,226.80x = 66,369,417,536.88
  5. Step 5: Solve for x
    x = 66,369,417,536.88/231,226.80
  6. Step 6: Final answer
    x = 287,031.68

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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.