Home / 165,641.43-248,148.68-97,970.79

Finding the Fourth Proportional to 165,641.43, 248,148.68 and 97,970.79

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Solution

The fourth proportional to 165,641.43, 248,148.68 and 97,970.79 is: 146,770.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,641.43 : 248,148.68 = 97,970.79 : x
  2. Step 2: Convert to fraction form
    165,641.43/248,148.68 = 97,970.79/x
  3. Step 3: Cross multiply
    165,641.43x = 248,148.68 × 97,970.79
  4. Step 4: Simplify right side
    165,641.43x = 24,311,321,727.20
  5. Step 5: Solve for x
    x = 24,311,321,727.20/165,641.43
  6. Step 6: Final answer
    x = 146,770.78

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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.