Home / 116,791.15-174,546.72-85,267.61

Finding the Fourth Proportional to 116,791.15, 174,546.72 and 85,267.61

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Solution

The fourth proportional to 116,791.15, 174,546.72 and 85,267.61 is: 127,434.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,791.15 : 174,546.72 = 85,267.61 : x
  2. Step 2: Convert to fraction form
    116,791.15/174,546.72 = 85,267.61/x
  3. Step 3: Cross multiply
    116,791.15x = 174,546.72 × 85,267.61
  4. Step 4: Simplify right side
    116,791.15x = 14,883,181,647.74
  5. Step 5: Solve for x
    x = 14,883,181,647.74/116,791.15
  6. Step 6: Final answer
    x = 127,434.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.