Home / 117,768.21-176,429.80-69,593.12

Finding the Fourth Proportional to 117,768.21, 176,429.80 and 69,593.12

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Solution

The fourth proportional to 117,768.21, 176,429.80 and 69,593.12 is: 104,258.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,768.21 : 176,429.80 = 69,593.12 : x
  2. Step 2: Convert to fraction form
    117,768.21/176,429.80 = 69,593.12/x
  3. Step 3: Cross multiply
    117,768.21x = 176,429.80 × 69,593.12
  4. Step 4: Simplify right side
    117,768.21x = 12,278,300,242.98
  5. Step 5: Solve for x
    x = 12,278,300,242.98/117,768.21
  6. Step 6: Final answer
    x = 104,258.19

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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.