Home / 122,823.82-169,506.84-69,105.70

Finding the Fourth Proportional to 122,823.82, 169,506.84 and 69,105.70

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Solution

The fourth proportional to 122,823.82, 169,506.84 and 69,105.70 is: 95,371.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,823.82 : 169,506.84 = 69,105.70 : x
  2. Step 2: Convert to fraction form
    122,823.82/169,506.84 = 69,105.70/x
  3. Step 3: Cross multiply
    122,823.82x = 169,506.84 × 69,105.70
  4. Step 4: Simplify right side
    122,823.82x = 11,713,888,832.99
  5. Step 5: Solve for x
    x = 11,713,888,832.99/122,823.82
  6. Step 6: Final answer
    x = 95,371.47

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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.