Home / 148,736.22-205,253.43-81,667.74

Finding the Fourth Proportional to 148,736.22, 205,253.43 and 81,667.74

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Solution

The fourth proportional to 148,736.22, 205,253.43 and 81,667.74 is: 112,700.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,736.22 : 205,253.43 = 81,667.74 : x
  2. Step 2: Convert to fraction form
    148,736.22/205,253.43 = 81,667.74/x
  3. Step 3: Cross multiply
    148,736.22x = 205,253.43 × 81,667.74
  4. Step 4: Simplify right side
    148,736.22x = 16,762,583,755.35
  5. Step 5: Solve for x
    x = 16,762,583,755.35/148,736.22
  6. Step 6: Final answer
    x = 112,700.08

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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.