Home / 219,380.36-329,070.51-53,168.36

Finding the Fourth Proportional to 219,380.36, 329,070.51 and 53,168.36

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Solution

The fourth proportional to 219,380.36, 329,070.51 and 53,168.36 is: 79,752.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,380.36 : 329,070.51 = 53,168.36 : x
  2. Step 2: Convert to fraction form
    219,380.36/329,070.51 = 53,168.36/x
  3. Step 3: Cross multiply
    219,380.36x = 329,070.51 × 53,168.36
  4. Step 4: Simplify right side
    219,380.36x = 17,496,137,695.71
  5. Step 5: Solve for x
    x = 17,496,137,695.71/219,380.36
  6. Step 6: Final answer
    x = 79,752.53

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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.