Home / 167,915.38-231,328.99-116,840.40

Finding the Fourth Proportional to 167,915.38, 231,328.99 and 116,840.40

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Solution

The fourth proportional to 167,915.38, 231,328.99 and 116,840.40 is: 160,965.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,915.38 : 231,328.99 = 116,840.40 : x
  2. Step 2: Convert to fraction form
    167,915.38/231,328.99 = 116,840.40/x
  3. Step 3: Cross multiply
    167,915.38x = 231,328.99 × 116,840.40
  4. Step 4: Simplify right side
    167,915.38x = 27,028,571,723.20
  5. Step 5: Solve for x
    x = 27,028,571,723.20/167,915.38
  6. Step 6: Final answer
    x = 160,965.43

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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.