Home / 122,008.14-168,374.25-68,292.72

Finding the Fourth Proportional to 122,008.14, 168,374.25 and 68,292.72

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Solution

The fourth proportional to 122,008.14, 168,374.25 and 68,292.72 is: 94,245.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,008.14 : 168,374.25 = 68,292.72 : x
  2. Step 2: Convert to fraction form
    122,008.14/168,374.25 = 68,292.72/x
  3. Step 3: Cross multiply
    122,008.14x = 168,374.25 × 68,292.72
  4. Step 4: Simplify right side
    122,008.14x = 11,498,735,510.46
  5. Step 5: Solve for x
    x = 11,498,735,510.46/122,008.14
  6. Step 6: Final answer
    x = 94,245.64

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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.