Home / 283,556.82-391,305.30-162,717.12

Finding the Fourth Proportional to 283,556.82, 391,305.30 and 162,717.12

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Solution

The fourth proportional to 283,556.82, 391,305.30 and 162,717.12 is: 224,547.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,556.82 : 391,305.30 = 162,717.12 : x
  2. Step 2: Convert to fraction form
    283,556.82/391,305.30 = 162,717.12/x
  3. Step 3: Cross multiply
    283,556.82x = 391,305.30 × 162,717.12
  4. Step 4: Simplify right side
    283,556.82x = 63,672,071,456.74
  5. Step 5: Solve for x
    x = 63,672,071,456.74/283,556.82
  6. Step 6: Final answer
    x = 224,547.84

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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.