Home / 183,831.39-253,784.07-123,718.05

Finding the Fourth Proportional to 183,831.39, 253,784.07 and 123,718.05

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Solution

The fourth proportional to 183,831.39, 253,784.07 and 123,718.05 is: 170,796.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,831.39 : 253,784.07 = 123,718.05 : x
  2. Step 2: Convert to fraction form
    183,831.39/253,784.07 = 123,718.05/x
  3. Step 3: Cross multiply
    183,831.39x = 253,784.07 × 123,718.05
  4. Step 4: Simplify right side
    183,831.39x = 31,397,670,261.46
  5. Step 5: Solve for x
    x = 31,397,670,261.46/183,831.39
  6. Step 6: Final answer
    x = 170,796.02

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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.