Home / 122,825.15-183,942.48-70,074.71

Finding the Fourth Proportional to 122,825.15, 183,942.48 and 70,074.71

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Solution

The fourth proportional to 122,825.15, 183,942.48 and 70,074.71 is: 104,943.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,825.15 : 183,942.48 = 70,074.71 : x
  2. Step 2: Convert to fraction form
    122,825.15/183,942.48 = 70,074.71/x
  3. Step 3: Cross multiply
    122,825.15x = 183,942.48 × 70,074.71
  4. Step 4: Simplify right side
    122,825.15x = 12,889,715,581.36
  5. Step 5: Solve for x
    x = 12,889,715,581.36/122,825.15
  6. Step 6: Final answer
    x = 104,943.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.