Home / 226,693.08-312,831.59-123,324.53

Finding the Fourth Proportional to 226,693.08, 312,831.59 and 123,324.53

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Solution

The fourth proportional to 226,693.08, 312,831.59 and 123,324.53 is: 170,185.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,693.08 : 312,831.59 = 123,324.53 : x
  2. Step 2: Convert to fraction form
    226,693.08/312,831.59 = 123,324.53/x
  3. Step 3: Cross multiply
    226,693.08x = 312,831.59 × 123,324.53
  4. Step 4: Simplify right side
    226,693.08x = 38,579,806,625.12
  5. Step 5: Solve for x
    x = 38,579,806,625.12/226,693.08
  6. Step 6: Final answer
    x = 170,185.20

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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.