Home / 173,088.40-259,438.20-73,231.60

Finding the Fourth Proportional to 173,088.40, 259,438.20 and 73,231.60

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Solution

The fourth proportional to 173,088.40, 259,438.20 and 73,231.60 is: 109,765.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,088.40 : 259,438.20 = 73,231.60 : x
  2. Step 2: Convert to fraction form
    173,088.40/259,438.20 = 73,231.60/x
  3. Step 3: Cross multiply
    173,088.40x = 259,438.20 × 73,231.60
  4. Step 4: Simplify right side
    173,088.40x = 18,999,074,487.12
  5. Step 5: Solve for x
    x = 18,999,074,487.12/173,088.40
  6. Step 6: Final answer
    x = 109,765.15

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1.5x scale

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.