Home / 240,696.12-332,197.02-138,736.71

Finding the Fourth Proportional to 240,696.12, 332,197.02 and 138,736.71

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Solution

The fourth proportional to 240,696.12, 332,197.02 and 138,736.71 is: 191,477.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,696.12 : 332,197.02 = 138,736.71 : x
  2. Step 2: Convert to fraction form
    240,696.12/332,197.02 = 138,736.71/x
  3. Step 3: Cross multiply
    240,696.12x = 332,197.02 × 138,736.71
  4. Step 4: Simplify right side
    240,696.12x = 46,087,921,626.60
  5. Step 5: Solve for x
    x = 46,087,921,626.60/240,696.12
  6. Step 6: Final answer
    x = 191,477.63

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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.