Home / 219,595.25-329,425.65-69,840.43

Finding the Fourth Proportional to 219,595.25, 329,425.65 and 69,840.43

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Solution

The fourth proportional to 219,595.25, 329,425.65 and 69,840.43 is: 104,771.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,595.25 : 329,425.65 = 69,840.43 : x
  2. Step 2: Convert to fraction form
    219,595.25/329,425.65 = 69,840.43/x
  3. Step 3: Cross multiply
    219,595.25x = 329,425.65 × 69,840.43
  4. Step 4: Simplify right side
    219,595.25x = 23,007,228,225.47
  5. Step 5: Solve for x
    x = 23,007,228,225.47/219,595.25
  6. Step 6: Final answer
    x = 104,771.06

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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.