Home / 251,923.77-347,629.08-155,112.27

Finding the Fourth Proportional to 251,923.77, 347,629.08 and 155,112.27

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Solution

The fourth proportional to 251,923.77, 347,629.08 and 155,112.27 is: 214,039.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,923.77 : 347,629.08 = 155,112.27 : x
  2. Step 2: Convert to fraction form
    251,923.77/347,629.08 = 155,112.27/x
  3. Step 3: Cross multiply
    251,923.77x = 347,629.08 × 155,112.27
  4. Step 4: Simplify right side
    251,923.77x = 53,921,535,716.81
  5. Step 5: Solve for x
    x = 53,921,535,716.81/251,923.77
  6. Step 6: Final answer
    x = 214,039.09

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1.5x scale

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.