Home / 167,673.12-231,271.74-113,864.72

Finding the Fourth Proportional to 167,673.12, 231,271.74 and 113,864.72

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Solution

The fourth proportional to 167,673.12, 231,271.74 and 113,864.72 is: 157,053.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,673.12 : 231,271.74 = 113,864.72 : x
  2. Step 2: Convert to fraction form
    167,673.12/231,271.74 = 113,864.72/x
  3. Step 3: Cross multiply
    167,673.12x = 231,271.74 × 113,864.72
  4. Step 4: Simplify right side
    167,673.12x = 26,333,691,919.01
  5. Step 5: Solve for x
    x = 26,333,691,919.01/167,673.12
  6. Step 6: Final answer
    x = 157,053.75

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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.