Home / 184,209.78-254,191.39-103,635.57

Finding the Fourth Proportional to 184,209.78, 254,191.39 and 103,635.57

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Solution

The fourth proportional to 184,209.78, 254,191.39 and 103,635.57 is: 143,006.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,209.78 : 254,191.39 = 103,635.57 : x
  2. Step 2: Convert to fraction form
    184,209.78/254,191.39 = 103,635.57/x
  3. Step 3: Cross multiply
    184,209.78x = 254,191.39 × 103,635.57
  4. Step 4: Simplify right side
    184,209.78x = 26,343,269,591.74
  5. Step 5: Solve for x
    x = 26,343,269,591.74/184,209.78
  6. Step 6: Final answer
    x = 143,006.90

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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.