Home / 122,221.24-168,664.76-68,506.28

Finding the Fourth Proportional to 122,221.24, 168,664.76 and 68,506.28

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Solution

The fourth proportional to 122,221.24, 168,664.76 and 68,506.28 is: 94,538.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,221.24 : 168,664.76 = 68,506.28 : x
  2. Step 2: Convert to fraction form
    122,221.24/168,664.76 = 68,506.28/x
  3. Step 3: Cross multiply
    122,221.24x = 168,664.76 × 68,506.28
  4. Step 4: Simplify right side
    122,221.24x = 11,554,595,274.69
  5. Step 5: Solve for x
    x = 11,554,595,274.69/122,221.24
  6. Step 6: Final answer
    x = 94,538.36

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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.