Home / 122,216.09-168,657.66-68,501.11

Finding the Fourth Proportional to 122,216.09, 168,657.66 and 68,501.11

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Solution

The fourth proportional to 122,216.09, 168,657.66 and 68,501.11 is: 94,531.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,216.09 : 168,657.66 = 68,501.11 : x
  2. Step 2: Convert to fraction form
    122,216.09/168,657.66 = 68,501.11/x
  3. Step 3: Cross multiply
    122,216.09x = 168,657.66 × 68,501.11
  4. Step 4: Simplify right side
    122,216.09x = 11,553,236,920.00
  5. Step 5: Solve for x
    x = 11,553,236,920.00/122,216.09
  6. Step 6: Final answer
    x = 94,531.23

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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.