Home / 116,982.40-161,435.20-63,267.48

Finding the Fourth Proportional to 116,982.40, 161,435.20 and 63,267.48

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Solution

The fourth proportional to 116,982.40, 161,435.20 and 63,267.48 is: 87,308.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,982.40 : 161,435.20 = 63,267.48 : x
  2. Step 2: Convert to fraction form
    116,982.40/161,435.20 = 63,267.48/x
  3. Step 3: Cross multiply
    116,982.40x = 161,435.20 × 63,267.48
  4. Step 4: Simplify right side
    116,982.40x = 10,213,598,287.30
  5. Step 5: Solve for x
    x = 10,213,598,287.30/116,982.40
  6. Step 6: Final answer
    x = 87,308.85

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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.