Home / 219,782.10-329,563.75-70,002.98

Finding the Fourth Proportional to 219,782.10, 329,563.75 and 70,002.98

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Solution

The fourth proportional to 219,782.10, 329,563.75 and 70,002.98 is: 104,969.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,782.10 : 329,563.75 = 70,002.98 : x
  2. Step 2: Convert to fraction form
    219,782.10/329,563.75 = 70,002.98/x
  3. Step 3: Cross multiply
    219,782.10x = 329,563.75 × 70,002.98
  4. Step 4: Simplify right side
    219,782.10x = 23,070,444,599.98
  5. Step 5: Solve for x
    x = 23,070,444,599.98/219,782.10
  6. Step 6: Final answer
    x = 104,969.62

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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.