Home / 119,958.20-179,937.53-31,211.56

Finding the Fourth Proportional to 119,958.20, 179,937.53 and 31,211.56

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Solution

The fourth proportional to 119,958.20, 179,937.53 and 31,211.56 is: 46,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,958.20 : 179,937.53 = 31,211.56 : x
  2. Step 2: Convert to fraction form
    119,958.20/179,937.53 = 31,211.56/x
  3. Step 3: Cross multiply
    119,958.20x = 179,937.53 × 31,211.56
  4. Step 4: Simplify right side
    119,958.20x = 5,616,131,013.85
  5. Step 5: Solve for x
    x = 5,616,131,013.85/119,958.20
  6. Step 6: Final answer
    x = 46,817.40

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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.