Home / 222,486.22-307,031.08-120,511.37

Finding the Fourth Proportional to 222,486.22, 307,031.08 and 120,511.37

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Solution

The fourth proportional to 222,486.22, 307,031.08 and 120,511.37 is: 166,305.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,486.22 : 307,031.08 = 120,511.37 : x
  2. Step 2: Convert to fraction form
    222,486.22/307,031.08 = 120,511.37/x
  3. Step 3: Cross multiply
    222,486.22x = 307,031.08 × 120,511.37
  4. Step 4: Simplify right side
    222,486.22x = 37,000,736,083.38
  5. Step 5: Solve for x
    x = 37,000,736,083.38/222,486.22
  6. Step 6: Final answer
    x = 166,305.74

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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.