Home / 122,218.33-168,660.76-68,503.36

Finding the Fourth Proportional to 122,218.33, 168,660.76 and 68,503.36

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Solution

The fourth proportional to 122,218.33, 168,660.76 and 68,503.36 is: 94,534.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,218.33 : 168,660.76 = 68,503.36 : x
  2. Step 2: Convert to fraction form
    122,218.33/168,660.76 = 68,503.36/x
  3. Step 3: Cross multiply
    122,218.33x = 168,660.76 × 68,503.36
  4. Step 4: Simplify right side
    122,218.33x = 11,553,828,760.15
  5. Step 5: Solve for x
    x = 11,553,828,760.15/122,218.33
  6. Step 6: Final answer
    x = 94,534.34

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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.