Home / 184,941.38-255,137.72-108,421.58

Finding the Fourth Proportional to 184,941.38, 255,137.72 and 108,421.58

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Solution

The fourth proportional to 184,941.38, 255,137.72 and 108,421.58 is: 149,574.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,941.38 : 255,137.72 = 108,421.58 : x
  2. Step 2: Convert to fraction form
    184,941.38/255,137.72 = 108,421.58/x
  3. Step 3: Cross multiply
    184,941.38x = 255,137.72 × 108,421.58
  4. Step 4: Simplify right side
    184,941.38x = 27,662,434,720.00
  5. Step 5: Solve for x
    x = 27,662,434,720.00/184,941.38
  6. Step 6: Final answer
    x = 149,574.07

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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.