Home / 122,316.24-168,724.73-76,922.22

Finding the Fourth Proportional to 122,316.24, 168,724.73 and 76,922.22

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Solution

The fourth proportional to 122,316.24, 168,724.73 and 76,922.22 is: 106,107.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,316.24 : 168,724.73 = 76,922.22 : x
  2. Step 2: Convert to fraction form
    122,316.24/168,724.73 = 76,922.22/x
  3. Step 3: Cross multiply
    122,316.24x = 168,724.73 × 76,922.22
  4. Step 4: Simplify right side
    122,316.24x = 12,978,680,415.89
  5. Step 5: Solve for x
    x = 12,978,680,415.89/122,316.24
  6. Step 6: Final answer
    x = 106,107.58

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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.