Home / 222,823.76-307,511.40-122,221.76

Finding the Fourth Proportional to 222,823.76, 307,511.40 and 122,221.76

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Solution

The fourth proportional to 222,823.76, 307,511.40 and 122,221.76 is: 168,674.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,823.76 : 307,511.40 = 122,221.76 : x
  2. Step 2: Convert to fraction form
    222,823.76/307,511.40 = 122,221.76/x
  3. Step 3: Cross multiply
    222,823.76x = 307,511.40 × 122,221.76
  4. Step 4: Simplify right side
    222,823.76x = 37,584,584,528.06
  5. Step 5: Solve for x
    x = 37,584,584,528.06/222,823.76
  6. Step 6: Final answer
    x = 168,674.04

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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.