Home / 122,899.88-184,349.82-70,272.45

Finding the Fourth Proportional to 122,899.88, 184,349.82 and 70,272.45

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Solution

The fourth proportional to 122,899.88, 184,349.82 and 70,272.45 is: 105,408.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,899.88 : 184,349.82 = 70,272.45 : x
  2. Step 2: Convert to fraction form
    122,899.88/184,349.82 = 70,272.45/x
  3. Step 3: Cross multiply
    122,899.88x = 184,349.82 × 70,272.45
  4. Step 4: Simplify right side
    122,899.88x = 12,954,713,508.46
  5. Step 5: Solve for x
    x = 12,954,713,508.46/122,899.88
  6. Step 6: Final answer
    x = 105,408.68

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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.