Home / 283,683.11-391,484.37-162,821.30

Finding the Fourth Proportional to 283,683.11, 391,484.37 and 162,821.30

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Solution

The fourth proportional to 283,683.11, 391,484.37 and 162,821.30 is: 224,694.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,683.11 : 391,484.37 = 162,821.30 : x
  2. Step 2: Convert to fraction form
    283,683.11/391,484.37 = 162,821.30/x
  3. Step 3: Cross multiply
    283,683.11x = 391,484.37 × 162,821.30
  4. Step 4: Simplify right side
    283,683.11x = 63,741,992,095.66
  5. Step 5: Solve for x
    x = 63,741,992,095.66/283,683.11
  6. Step 6: Final answer
    x = 224,694.35

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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.