Home / 283,823.53-391,269.59-223,289.19

Finding the Fourth Proportional to 283,823.53, 391,269.59 and 223,289.19

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Solution

The fourth proportional to 283,823.53, 391,269.59 and 223,289.19 is: 307,818.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,823.53 : 391,269.59 = 223,289.19 : x
  2. Step 2: Convert to fraction form
    283,823.53/391,269.59 = 223,289.19/x
  3. Step 3: Cross multiply
    283,823.53x = 391,269.59 × 223,289.19
  4. Step 4: Simplify right side
    283,823.53x = 87,366,269,543.62
  5. Step 5: Solve for x
    x = 87,366,269,543.62/283,823.53
  6. Step 6: Final answer
    x = 307,818.98

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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.