Home / 161,539.20-222,903.90-93,555.09

Finding the Fourth Proportional to 161,539.20, 222,903.90 and 93,555.09

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Solution

The fourth proportional to 161,539.20, 222,903.90 and 93,555.09 is: 129,094.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,539.20 : 222,903.90 = 93,555.09 : x
  2. Step 2: Convert to fraction form
    161,539.20/222,903.90 = 93,555.09/x
  3. Step 3: Cross multiply
    161,539.20x = 222,903.90 × 93,555.09
  4. Step 4: Simplify right side
    161,539.20x = 20,853,794,425.85
  5. Step 5: Solve for x
    x = 20,853,794,425.85/161,539.20
  6. Step 6: Final answer
    x = 129,094.33

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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.