Home / 122,932.87-184,430.99-66,758.56

Finding the Fourth Proportional to 122,932.87, 184,430.99 and 66,758.56

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Solution

The fourth proportional to 122,932.87, 184,430.99 and 66,758.56 is: 100,155.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,932.87 : 184,430.99 = 66,758.56 : x
  2. Step 2: Convert to fraction form
    122,932.87/184,430.99 = 66,758.56/x
  3. Step 3: Cross multiply
    122,932.87x = 184,430.99 × 66,758.56
  4. Step 4: Simplify right side
    122,932.87x = 12,312,347,017.59
  5. Step 5: Solve for x
    x = 12,312,347,017.59/122,932.87
  6. Step 6: Final answer
    x = 100,155.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.