Home / 219,725.21-329,246.91-152,388.59

Finding the Fourth Proportional to 219,725.21, 329,246.91 and 152,388.59

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Solution

The fourth proportional to 219,725.21, 329,246.91 and 152,388.59 is: 228,346.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,725.21 : 329,246.91 = 152,388.59 : x
  2. Step 2: Convert to fraction form
    219,725.21/329,246.91 = 152,388.59/x
  3. Step 3: Cross multiply
    219,725.21x = 329,246.91 × 152,388.59
  4. Step 4: Simplify right side
    219,725.21x = 50,173,472,628.42
  5. Step 5: Solve for x
    x = 50,173,472,628.42/219,725.21
  6. Step 6: Final answer
    x = 228,346.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.