Home / 122,132.07-168,552.63-68,416.38

Finding the Fourth Proportional to 122,132.07, 168,552.63 and 68,416.38

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Solution

The fourth proportional to 122,132.07, 168,552.63 and 68,416.38 is: 94,420.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,132.07 : 168,552.63 = 68,416.38 : x
  2. Step 2: Convert to fraction form
    122,132.07/168,552.63 = 68,416.38/x
  3. Step 3: Cross multiply
    122,132.07x = 168,552.63 × 68,416.38
  4. Step 4: Simplify right side
    122,132.07x = 11,531,760,784.08
  5. Step 5: Solve for x
    x = 11,531,760,784.08/122,132.07
  6. Step 6: Final answer
    x = 94,420.42

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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.