Home / 122,073.41-168,478.37-88,191.51

Finding the Fourth Proportional to 122,073.41, 168,478.37 and 88,191.51

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Solution

The fourth proportional to 122,073.41, 168,478.37 and 88,191.51 is: 121,716.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,073.41 : 168,478.37 = 88,191.51 : x
  2. Step 2: Convert to fraction form
    122,073.41/168,478.37 = 88,191.51/x
  3. Step 3: Cross multiply
    122,073.41x = 168,478.37 × 88,191.51
  4. Step 4: Simplify right side
    122,073.41x = 14,858,361,852.64
  5. Step 5: Solve for x
    x = 14,858,361,852.64/122,073.41
  6. Step 6: Final answer
    x = 121,716.61

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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.