Home / 220,953.48-331,383.66-71,207.16

Finding the Fourth Proportional to 220,953.48, 331,383.66 and 71,207.16

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Solution

The fourth proportional to 220,953.48, 331,383.66 and 71,207.16 is: 106,795.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,953.48 : 331,383.66 = 71,207.16 : x
  2. Step 2: Convert to fraction form
    220,953.48/331,383.66 = 71,207.16/x
  3. Step 3: Cross multiply
    220,953.48x = 331,383.66 × 71,207.16
  4. Step 4: Simplify right side
    220,953.48x = 23,596,889,299.01
  5. Step 5: Solve for x
    x = 23,596,889,299.01/220,953.48
  6. Step 6: Final answer
    x = 106,795.74

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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.