Home / 122,238.24-168,688.20-68,523.30

Finding the Fourth Proportional to 122,238.24, 168,688.20 and 68,523.30

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Solution

The fourth proportional to 122,238.24, 168,688.20 and 68,523.30 is: 94,561.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,238.24 : 168,688.20 = 68,523.30 : x
  2. Step 2: Convert to fraction form
    122,238.24/168,688.20 = 68,523.30/x
  3. Step 3: Cross multiply
    122,238.24x = 168,688.20 × 68,523.30
  4. Step 4: Simplify right side
    122,238.24x = 11,559,072,135.06
  5. Step 5: Solve for x
    x = 11,559,072,135.06/122,238.24
  6. Step 6: Final answer
    x = 94,561.83

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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.