Home / 122,239.28-168,689.64-68,524.24

Finding the Fourth Proportional to 122,239.28, 168,689.64 and 68,524.24

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Solution

The fourth proportional to 122,239.28, 168,689.64 and 68,524.24 is: 94,563.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,239.28 : 168,689.64 = 68,524.24 : x
  2. Step 2: Convert to fraction form
    122,239.28/168,689.64 = 68,524.24/x
  3. Step 3: Cross multiply
    122,239.28x = 168,689.64 × 68,524.24
  4. Step 4: Simplify right side
    122,239.28x = 11,559,329,376.87
  5. Step 5: Solve for x
    x = 11,559,329,376.87/122,239.28
  6. Step 6: Final answer
    x = 94,563.13

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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.