Home / 173,389-239,296.30-97,942.36

Finding the Fourth Proportional to 173,389, 239,296.30 and 97,942.36

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Solution

The fourth proportional to 173,389, 239,296.30 and 97,942.36 is: 135,171.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,389 : 239,296.30 = 97,942.36 : x
  2. Step 2: Convert to fraction form
    173,389/239,296.30 = 97,942.36/x
  3. Step 3: Cross multiply
    173,389x = 239,296.30 × 97,942.36
  4. Step 4: Simplify right side
    173,389x = 23,437,244,361.27
  5. Step 5: Solve for x
    x = 23,437,244,361.27/173,389
  6. Step 6: Final answer
    x = 135,171.46

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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.