Home / 122,653.01-169,275.17-68,210.60

Finding the Fourth Proportional to 122,653.01, 169,275.17 and 68,210.60

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Solution

The fourth proportional to 122,653.01, 169,275.17 and 68,210.60 is: 94,138.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,653.01 : 169,275.17 = 68,210.60 : x
  2. Step 2: Convert to fraction form
    122,653.01/169,275.17 = 68,210.60/x
  3. Step 3: Cross multiply
    122,653.01x = 169,275.17 × 68,210.60
  4. Step 4: Simplify right side
    122,653.01x = 11,546,360,910.80
  5. Step 5: Solve for x
    x = 11,546,360,910.80/122,653.01
  6. Step 6: Final answer
    x = 94,138.42

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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.