Home / 283,802.08-391,239.96-223,267.60

Finding the Fourth Proportional to 283,802.08, 391,239.96 and 223,267.60

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Solution

The fourth proportional to 283,802.08, 391,239.96 and 223,267.60 is: 307,789.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,802.08 : 391,239.96 = 223,267.60 : x
  2. Step 2: Convert to fraction form
    283,802.08/391,239.96 = 223,267.60/x
  3. Step 3: Cross multiply
    283,802.08x = 391,239.96 × 223,267.60
  4. Step 4: Simplify right side
    283,802.08x = 87,351,206,893.30
  5. Step 5: Solve for x
    x = 87,351,206,893.30/283,802.08
  6. Step 6: Final answer
    x = 307,789.17

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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.