Home / 122,222.14-168,665.99-68,507.15

Finding the Fourth Proportional to 122,222.14, 168,665.99 and 68,507.15

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Solution

The fourth proportional to 122,222.14, 168,665.99 and 68,507.15 is: 94,539.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,222.14 : 168,665.99 = 68,507.15 : x
  2. Step 2: Convert to fraction form
    122,222.14/168,665.99 = 68,507.15/x
  3. Step 3: Cross multiply
    122,222.14x = 168,665.99 × 68,507.15
  4. Step 4: Simplify right side
    122,222.14x = 11,554,825,090.96
  5. Step 5: Solve for x
    x = 11,554,825,090.96/122,222.14
  6. Step 6: Final answer
    x = 94,539.54

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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.