Home / 173,190.12-238,984.12-100,578.84

Finding the Fourth Proportional to 173,190.12, 238,984.12 and 100,578.84

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Solution

The fourth proportional to 173,190.12, 238,984.12 and 100,578.84 is: 138,788.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,190.12 : 238,984.12 = 100,578.84 : x
  2. Step 2: Convert to fraction form
    173,190.12/238,984.12 = 100,578.84/x
  3. Step 3: Cross multiply
    173,190.12x = 238,984.12 × 100,578.84
  4. Step 4: Simplify right side
    173,190.12x = 24,036,745,568.02
  5. Step 5: Solve for x
    x = 24,036,745,568.02/173,190.12
  6. Step 6: Final answer
    x = 138,788.20

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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.