Home / 183,918.92-253,831.56-112,283.60

Finding the Fourth Proportional to 183,918.92, 253,831.56 and 112,283.60

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Solution

The fourth proportional to 183,918.92, 253,831.56 and 112,283.60 is: 154,965.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,918.92 : 253,831.56 = 112,283.60 : x
  2. Step 2: Convert to fraction form
    183,918.92/253,831.56 = 112,283.60/x
  3. Step 3: Cross multiply
    183,918.92x = 253,831.56 × 112,283.60
  4. Step 4: Simplify right side
    183,918.92x = 28,501,121,350.42
  5. Step 5: Solve for x
    x = 28,501,121,350.42/183,918.92
  6. Step 6: Final answer
    x = 154,965.68

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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.