Home / 331,590.24-497,031.21-189,128.73

Finding the Fourth Proportional to 331,590.24, 497,031.21 and 189,128.73

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Solution

The fourth proportional to 331,590.24, 497,031.21 and 189,128.73 is: 283,491.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,590.24 : 497,031.21 = 189,128.73 : x
  2. Step 2: Convert to fraction form
    331,590.24/497,031.21 = 189,128.73/x
  3. Step 3: Cross multiply
    331,590.24x = 497,031.21 × 189,128.73
  4. Step 4: Simplify right side
    331,590.24x = 94,002,881,517.66
  5. Step 5: Solve for x
    x = 94,002,881,517.66/331,590.24
  6. Step 6: Final answer
    x = 283,491.10

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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.