Home / 175,605.30-263,408.63-42,485.34

Finding the Fourth Proportional to 175,605.30, 263,408.63 and 42,485.34

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Solution

The fourth proportional to 175,605.30, 263,408.63 and 42,485.34 is: 63,728.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,605.30 : 263,408.63 = 42,485.34 : x
  2. Step 2: Convert to fraction form
    175,605.30/263,408.63 = 42,485.34/x
  3. Step 3: Cross multiply
    175,605.30x = 263,408.63 × 42,485.34
  4. Step 4: Simplify right side
    175,605.30x = 11,191,004,992.06
  5. Step 5: Solve for x
    x = 11,191,004,992.06/175,605.30
  6. Step 6: Final answer
    x = 63,728.17

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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.