Home / 173,064.20-238,808.25-100,450.33

Finding the Fourth Proportional to 173,064.20, 238,808.25 and 100,450.33

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Solution

The fourth proportional to 173,064.20, 238,808.25 and 100,450.33 is: 138,609.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,064.20 : 238,808.25 = 100,450.33 : x
  2. Step 2: Convert to fraction form
    173,064.20/238,808.25 = 100,450.33/x
  3. Step 3: Cross multiply
    173,064.20x = 238,808.25 × 100,450.33
  4. Step 4: Simplify right side
    173,064.20x = 23,988,366,922.20
  5. Step 5: Solve for x
    x = 23,988,366,922.20/173,064.20
  6. Step 6: Final answer
    x = 138,609.65

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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.