Home / 196,111.87-293,909.37-77,718.67

Finding the Fourth Proportional to 196,111.87, 293,909.37 and 77,718.67

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Solution

The fourth proportional to 196,111.87, 293,909.37 and 77,718.67 is: 116,475.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,111.87 : 293,909.37 = 77,718.67 : x
  2. Step 2: Convert to fraction form
    196,111.87/293,909.37 = 77,718.67/x
  3. Step 3: Cross multiply
    196,111.87x = 293,909.37 × 77,718.67
  4. Step 4: Simplify right side
    196,111.87x = 22,842,245,336.94
  5. Step 5: Solve for x
    x = 22,842,245,336.94/196,111.87
  6. Step 6: Final answer
    x = 116,475.59

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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.