Home / 159,644.69-220,341.60-91,708.27

Finding the Fourth Proportional to 159,644.69, 220,341.60 and 91,708.27

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Solution

The fourth proportional to 159,644.69, 220,341.60 and 91,708.27 is: 126,575.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,644.69 : 220,341.60 = 91,708.27 : x
  2. Step 2: Convert to fraction form
    159,644.69/220,341.60 = 91,708.27/x
  3. Step 3: Cross multiply
    159,644.69x = 220,341.60 × 91,708.27
  4. Step 4: Simplify right side
    159,644.69x = 20,207,146,394.18
  5. Step 5: Solve for x
    x = 20,207,146,394.18/159,644.69
  6. Step 6: Final answer
    x = 126,575.75

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1.5x scale

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.