Home / 122,012.73-182,986.29-43,105.77

Finding the Fourth Proportional to 122,012.73, 182,986.29 and 43,105.77

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Solution

The fourth proportional to 122,012.73, 182,986.29 and 43,105.77 is: 64,647.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,012.73 : 182,986.29 = 43,105.77 : x
  2. Step 2: Convert to fraction form
    122,012.73/182,986.29 = 43,105.77/x
  3. Step 3: Cross multiply
    122,012.73x = 182,986.29 × 43,105.77
  4. Step 4: Simplify right side
    122,012.73x = 7,887,764,929.89
  5. Step 5: Solve for x
    x = 7,887,764,929.89/122,012.73
  6. Step 6: Final answer
    x = 64,647.07

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1.5x scale

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.