Home / 283,860.14-391,709.09-162,916.29

Finding the Fourth Proportional to 283,860.14, 391,709.09 and 162,916.29

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Solution

The fourth proportional to 283,860.14, 391,709.09 and 162,916.29 is: 224,814.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,860.14 : 391,709.09 = 162,916.29 : x
  2. Step 2: Convert to fraction form
    283,860.14/391,709.09 = 162,916.29/x
  3. Step 3: Cross multiply
    283,860.14x = 391,709.09 × 162,916.29
  4. Step 4: Simplify right side
    283,860.14x = 63,815,792,109.37
  5. Step 5: Solve for x
    x = 63,815,792,109.37/283,860.14
  6. Step 6: Final answer
    x = 224,814.21

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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.