Home / 122,005.14-168,367.68-68,291.22

Finding the Fourth Proportional to 122,005.14, 168,367.68 and 68,291.22

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Solution

The fourth proportional to 122,005.14, 168,367.68 and 68,291.22 is: 94,242.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,005.14 : 168,367.68 = 68,291.22 : x
  2. Step 2: Convert to fraction form
    122,005.14/168,367.68 = 68,291.22/x
  3. Step 3: Cross multiply
    122,005.14x = 168,367.68 × 68,291.22
  4. Step 4: Simplify right side
    122,005.14x = 11,498,034,275.77
  5. Step 5: Solve for x
    x = 11,498,034,275.77/122,005.14
  6. Step 6: Final answer
    x = 94,242.21

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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.