Home / 122,168.07-168,602.31-68,452.38

Finding the Fourth Proportional to 122,168.07, 168,602.31 and 68,452.38

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Solution

The fourth proportional to 122,168.07, 168,602.31 and 68,452.38 is: 94,470.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,168.07 : 168,602.31 = 68,452.38 : x
  2. Step 2: Convert to fraction form
    122,168.07/168,602.31 = 68,452.38/x
  3. Step 3: Cross multiply
    122,168.07x = 168,602.31 × 68,452.38
  4. Step 4: Simplify right side
    122,168.07x = 11,541,229,393.00
  5. Step 5: Solve for x
    x = 11,541,229,393.00/122,168.07
  6. Step 6: Final answer
    x = 94,470.10

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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.