Home / 122,193.14-168,708.62-76,322.52

Finding the Fourth Proportional to 122,193.14, 168,708.62 and 76,322.52

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Solution

The fourth proportional to 122,193.14, 168,708.62 and 76,322.52 is: 105,376.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,193.14 : 168,708.62 = 76,322.52 : x
  2. Step 2: Convert to fraction form
    122,193.14/168,708.62 = 76,322.52/x
  3. Step 3: Cross multiply
    122,193.14x = 168,708.62 × 76,322.52
  4. Step 4: Simplify right side
    122,193.14x = 12,876,267,214.93
  5. Step 5: Solve for x
    x = 12,876,267,214.93/122,193.14
  6. Step 6: Final answer
    x = 105,376.36

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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.