Home / 117,858.39-176,647.07-82,126.25

Finding the Fourth Proportional to 117,858.39, 176,647.07 and 82,126.25

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Solution

The fourth proportional to 117,858.39, 176,647.07 and 82,126.25 is: 123,091.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,858.39 : 176,647.07 = 82,126.25 : x
  2. Step 2: Convert to fraction form
    117,858.39/176,647.07 = 82,126.25/x
  3. Step 3: Cross multiply
    117,858.39x = 176,647.07 × 82,126.25
  4. Step 4: Simplify right side
    117,858.39x = 14,507,360,549.35
  5. Step 5: Solve for x
    x = 14,507,360,549.35/117,858.39
  6. Step 6: Final answer
    x = 123,091.46

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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.