Home / 165,066.49-247,599.75-86,162.27

Finding the Fourth Proportional to 165,066.49, 247,599.75 and 86,162.27

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Solution

The fourth proportional to 165,066.49, 247,599.75 and 86,162.27 is: 129,243.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,066.49 : 247,599.75 = 86,162.27 : x
  2. Step 2: Convert to fraction form
    165,066.49/247,599.75 = 86,162.27/x
  3. Step 3: Cross multiply
    165,066.49x = 247,599.75 × 86,162.27
  4. Step 4: Simplify right side
    165,066.49x = 21,333,755,596.54
  5. Step 5: Solve for x
    x = 21,333,755,596.54/165,066.49
  6. Step 6: Final answer
    x = 129,243.41

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1.5x scale

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.