Home / 184,887.81-255,145.28-100,004.90

Finding the Fourth Proportional to 184,887.81, 255,145.28 and 100,004.90

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Solution

The fourth proportional to 184,887.81, 255,145.28 and 100,004.90 is: 138,006.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,887.81 : 255,145.28 = 100,004.90 : x
  2. Step 2: Convert to fraction form
    184,887.81/255,145.28 = 100,004.90/x
  3. Step 3: Cross multiply
    184,887.81x = 255,145.28 × 100,004.90
  4. Step 4: Simplify right side
    184,887.81x = 25,515,776,436.12
  5. Step 5: Solve for x
    x = 25,515,776,436.12/184,887.81
  6. Step 6: Final answer
    x = 138,006.81

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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.