Home / 111,399.10-167,098.65-97,839.70

Finding the Fourth Proportional to 111,399.10, 167,098.65 and 97,839.70

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Solution

The fourth proportional to 111,399.10, 167,098.65 and 97,839.70 is: 146,759.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,399.10 : 167,098.65 = 97,839.70 : x
  2. Step 2: Convert to fraction form
    111,399.10/167,098.65 = 97,839.70/x
  3. Step 3: Cross multiply
    111,399.10x = 167,098.65 × 97,839.70
  4. Step 4: Simplify right side
    111,399.10x = 16,348,881,786.41
  5. Step 5: Solve for x
    x = 16,348,881,786.41/111,399.10
  6. Step 6: Final answer
    x = 146,759.55

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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.