Home / 122,251.27-168,706.64-68,536.30

Finding the Fourth Proportional to 122,251.27, 168,706.64 and 68,536.30

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Solution

The fourth proportional to 122,251.27, 168,706.64 and 68,536.30 is: 94,580.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,251.27 : 168,706.64 = 68,536.30 : x
  2. Step 2: Convert to fraction form
    122,251.27/168,706.64 = 68,536.30/x
  3. Step 3: Cross multiply
    122,251.27x = 168,706.64 × 68,536.30
  4. Step 4: Simplify right side
    122,251.27x = 11,562,528,891.03
  5. Step 5: Solve for x
    x = 11,562,528,891.03/122,251.27
  6. Step 6: Final answer
    x = 94,580.03

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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.