Home / 184,789.89-255,010.67-99,907.56

Finding the Fourth Proportional to 184,789.89, 255,010.67 and 99,907.56

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Solution

The fourth proportional to 184,789.89, 255,010.67 and 99,907.56 is: 137,872.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,789.89 : 255,010.67 = 99,907.56 : x
  2. Step 2: Convert to fraction form
    184,789.89/255,010.67 = 99,907.56/x
  3. Step 3: Cross multiply
    184,789.89x = 255,010.67 × 99,907.56
  4. Step 4: Simplify right side
    184,789.89x = 25,477,493,813.67
  5. Step 5: Solve for x
    x = 25,477,493,813.67/184,789.89
  6. Step 6: Final answer
    x = 137,872.77

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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.