Home / 116,537.66-161,431.06-114,175.70

Finding the Fourth Proportional to 116,537.66, 161,431.06 and 114,175.70

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Solution

The fourth proportional to 116,537.66, 161,431.06 and 114,175.70 is: 158,159.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,537.66 : 161,431.06 = 114,175.70 : x
  2. Step 2: Convert to fraction form
    116,537.66/161,431.06 = 114,175.70/x
  3. Step 3: Cross multiply
    116,537.66x = 161,431.06 × 114,175.70
  4. Step 4: Simplify right side
    116,537.66x = 18,431,504,277.24
  5. Step 5: Solve for x
    x = 18,431,504,277.24/116,537.66
  6. Step 6: Final answer
    x = 158,159.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.