Home / 313,514.17-432,781.67-211,677.42

Finding the Fourth Proportional to 313,514.17, 432,781.67 and 211,677.42

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Solution

The fourth proportional to 313,514.17, 432,781.67 and 211,677.42 is: 292,204.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,514.17 : 432,781.67 = 211,677.42 : x
  2. Step 2: Convert to fraction form
    313,514.17/432,781.67 = 211,677.42/x
  3. Step 3: Cross multiply
    313,514.17x = 432,781.67 × 211,677.42
  4. Step 4: Simplify right side
    313,514.17x = 91,610,108,497.62
  5. Step 5: Solve for x
    x = 91,610,108,497.62/313,514.17
  6. Step 6: Final answer
    x = 292,204.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.