Home / 165,881.20-248,821.80-95,724.40

Finding the Fourth Proportional to 165,881.20, 248,821.80 and 95,724.40

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Solution

The fourth proportional to 165,881.20, 248,821.80 and 95,724.40 is: 143,586.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,881.20 : 248,821.80 = 95,724.40 : x
  2. Step 2: Convert to fraction form
    165,881.20/248,821.80 = 95,724.40/x
  3. Step 3: Cross multiply
    165,881.20x = 248,821.80 × 95,724.40
  4. Step 4: Simplify right side
    165,881.20x = 23,818,317,511.92
  5. Step 5: Solve for x
    x = 23,818,317,511.92/165,881.20
  6. Step 6: Final answer
    x = 143,586.60

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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.