Home / 122,518.14-168,550.11-117,269.34

Finding the Fourth Proportional to 122,518.14, 168,550.11 and 117,269.34

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Solution

The fourth proportional to 122,518.14, 168,550.11 and 117,269.34 is: 161,329.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,518.14 : 168,550.11 = 117,269.34 : x
  2. Step 2: Convert to fraction form
    122,518.14/168,550.11 = 117,269.34/x
  3. Step 3: Cross multiply
    122,518.14x = 168,550.11 × 117,269.34
  4. Step 4: Simplify right side
    122,518.14x = 19,765,760,156.63
  5. Step 5: Solve for x
    x = 19,765,760,156.63/122,518.14
  6. Step 6: Final answer
    x = 161,329.25

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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.