Home / 133,633.18-184,370.41-91,117.90

Finding the Fourth Proportional to 133,633.18, 184,370.41 and 91,117.90

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Solution

The fourth proportional to 133,633.18, 184,370.41 and 91,117.90 is: 125,713.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,633.18 : 184,370.41 = 91,117.90 : x
  2. Step 2: Convert to fraction form
    133,633.18/184,370.41 = 91,117.90/x
  3. Step 3: Cross multiply
    133,633.18x = 184,370.41 × 91,117.90
  4. Step 4: Simplify right side
    133,633.18x = 16,799,443,203.90
  5. Step 5: Solve for x
    x = 16,799,443,203.90/133,633.18
  6. Step 6: Final answer
    x = 125,713.12

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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.