Home / 283,996.26-391,912.65-156,677.22

Finding the Fourth Proportional to 283,996.26, 391,912.65 and 156,677.22

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Solution

The fourth proportional to 283,996.26, 391,912.65 and 156,677.22 is: 216,213.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,996.26 : 391,912.65 = 156,677.22 : x
  2. Step 2: Convert to fraction form
    283,996.26/391,912.65 = 156,677.22/x
  3. Step 3: Cross multiply
    283,996.26x = 391,912.65 × 156,677.22
  4. Step 4: Simplify right side
    283,996.26x = 61,403,784,484.83
  5. Step 5: Solve for x
    x = 61,403,784,484.83/283,996.26
  6. Step 6: Final answer
    x = 216,213.36

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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.