Home / 122,238.26-168,696.90-68,526.76

Finding the Fourth Proportional to 122,238.26, 168,696.90 and 68,526.76

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Solution

The fourth proportional to 122,238.26, 168,696.90 and 68,526.76 is: 94,571.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,238.26 : 168,696.90 = 68,526.76 : x
  2. Step 2: Convert to fraction form
    122,238.26/168,696.90 = 68,526.76/x
  3. Step 3: Cross multiply
    122,238.26x = 168,696.90 × 68,526.76
  4. Step 4: Simplify right side
    122,238.26x = 11,560,252,066.34
  5. Step 5: Solve for x
    x = 11,560,252,066.34/122,238.26
  6. Step 6: Final answer
    x = 94,571.47

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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.