Home / 167,495.34-231,140.69-91,015.65

Finding the Fourth Proportional to 167,495.34, 231,140.69 and 91,015.65

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Solution

The fourth proportional to 167,495.34, 231,140.69 and 91,015.65 is: 125,600.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,495.34 : 231,140.69 = 91,015.65 : x
  2. Step 2: Convert to fraction form
    167,495.34/231,140.69 = 91,015.65/x
  3. Step 3: Cross multiply
    167,495.34x = 231,140.69 × 91,015.65
  4. Step 4: Simplify right side
    167,495.34x = 21,037,420,028.03
  5. Step 5: Solve for x
    x = 21,037,420,028.03/167,495.34
  6. Step 6: Final answer
    x = 125,600.03

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1.5x scale

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.