Home / 216,085.13-324,006.19-148,696.37

Finding the Fourth Proportional to 216,085.13, 324,006.19 and 148,696.37

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Solution

The fourth proportional to 216,085.13, 324,006.19 and 148,696.37 is: 222,960.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,085.13 : 324,006.19 = 148,696.37 : x
  2. Step 2: Convert to fraction form
    216,085.13/324,006.19 = 148,696.37/x
  3. Step 3: Cross multiply
    216,085.13x = 324,006.19 × 148,696.37
  4. Step 4: Simplify right side
    216,085.13x = 48,178,543,533.78
  5. Step 5: Solve for x
    x = 48,178,543,533.78/216,085.13
  6. Step 6: Final answer
    x = 222,960.94

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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.