Home / 219,441.36-329,128.43-69,662.10

Finding the Fourth Proportional to 219,441.36, 329,128.43 and 69,662.10

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Solution

The fourth proportional to 219,441.36, 329,128.43 and 69,662.10 is: 104,482.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,441.36 : 329,128.43 = 69,662.10 : x
  2. Step 2: Convert to fraction form
    219,441.36/329,128.43 = 69,662.10/x
  3. Step 3: Cross multiply
    219,441.36x = 329,128.43 × 69,662.10
  4. Step 4: Simplify right side
    219,441.36x = 22,927,777,255.19
  5. Step 5: Solve for x
    x = 22,927,777,255.19/219,441.36
  6. Step 6: Final answer
    x = 104,482.48

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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.