Home / 220,837.12-331,153.76-71,049.60

Finding the Fourth Proportional to 220,837.12, 331,153.76 and 71,049.60

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Solution

The fourth proportional to 220,837.12, 331,153.76 and 71,049.60 is: 106,541.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,837.12 : 331,153.76 = 71,049.60 : x
  2. Step 2: Convert to fraction form
    220,837.12/331,153.76 = 71,049.60/x
  3. Step 3: Cross multiply
    220,837.12x = 331,153.76 × 71,049.60
  4. Step 4: Simplify right side
    220,837.12x = 23,528,342,186.50
  5. Step 5: Solve for x
    x = 23,528,342,186.50/220,837.12
  6. Step 6: Final answer
    x = 106,541.61

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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.