Home / 175,066.40-262,729.20-69,960.80

Finding the Fourth Proportional to 175,066.40, 262,729.20 and 69,960.80

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Solution

The fourth proportional to 175,066.40, 262,729.20 and 69,960.80 is: 104,992.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,066.40 : 262,729.20 = 69,960.80 : x
  2. Step 2: Convert to fraction form
    175,066.40/262,729.20 = 69,960.80/x
  3. Step 3: Cross multiply
    175,066.40x = 262,729.20 × 69,960.80
  4. Step 4: Simplify right side
    175,066.40x = 18,380,745,015.36
  5. Step 5: Solve for x
    x = 18,380,745,015.36/175,066.40
  6. Step 6: Final answer
    x = 104,992.99

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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.