Home / 122,960.14-168,579-120,718.46

Finding the Fourth Proportional to 122,960.14, 168,579 and 120,718.46

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Solution

The fourth proportional to 122,960.14, 168,579 and 120,718.46 is: 165,505.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,960.14 : 168,579 = 120,718.46 : x
  2. Step 2: Convert to fraction form
    122,960.14/168,579 = 120,718.46/x
  3. Step 3: Cross multiply
    122,960.14x = 168,579 × 120,718.46
  4. Step 4: Simplify right side
    122,960.14x = 20,350,597,268.34
  5. Step 5: Solve for x
    x = 20,350,597,268.34/122,960.14
  6. Step 6: Final answer
    x = 165,505.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.