Home / 116,817.24-161,220.48-71,525.76

Finding the Fourth Proportional to 116,817.24, 161,220.48 and 71,525.76

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Solution

The fourth proportional to 116,817.24, 161,220.48 and 71,525.76 is: 98,713.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,817.24 : 161,220.48 = 71,525.76 : x
  2. Step 2: Convert to fraction form
    116,817.24/161,220.48 = 71,525.76/x
  3. Step 3: Cross multiply
    116,817.24x = 161,220.48 × 71,525.76
  4. Step 4: Simplify right side
    116,817.24x = 11,531,417,359.56
  5. Step 5: Solve for x
    x = 11,531,417,359.56/116,817.24
  6. Step 6: Final answer
    x = 98,713.32

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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.