Home / 122,815.44-184,275-51,755.76

Finding the Fourth Proportional to 122,815.44, 184,275 and 51,755.76

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Solution

The fourth proportional to 122,815.44, 184,275 and 51,755.76 is: 77,655.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,815.44 : 184,275 = 51,755.76 : x
  2. Step 2: Convert to fraction form
    122,815.44/184,275 = 51,755.76/x
  3. Step 3: Cross multiply
    122,815.44x = 184,275 × 51,755.76
  4. Step 4: Simplify right side
    122,815.44x = 9,537,292,674
  5. Step 5: Solve for x
    x = 9,537,292,674/122,815.44
  6. Step 6: Final answer
    x = 77,655.49

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1.5x scale

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.