Home / 119,107.12-164,355.60-71,359.24

Finding the Fourth Proportional to 119,107.12, 164,355.60 and 71,359.24

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Solution

The fourth proportional to 119,107.12, 164,355.60 and 71,359.24 is: 98,468.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,107.12 : 164,355.60 = 71,359.24 : x
  2. Step 2: Convert to fraction form
    119,107.12/164,355.60 = 71,359.24/x
  3. Step 3: Cross multiply
    119,107.12x = 164,355.60 × 71,359.24
  4. Step 4: Simplify right side
    119,107.12x = 11,728,290,705.74
  5. Step 5: Solve for x
    x = 11,728,290,705.74/119,107.12
  6. Step 6: Final answer
    x = 98,468.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.