Home / 196,711.79-294,995.34-70,317.90

Finding the Fourth Proportional to 196,711.79, 294,995.34 and 70,317.90

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Solution

The fourth proportional to 196,711.79, 294,995.34 and 70,317.90 is: 105,450.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,711.79 : 294,995.34 = 70,317.90 : x
  2. Step 2: Convert to fraction form
    196,711.79/294,995.34 = 70,317.90/x
  3. Step 3: Cross multiply
    196,711.79x = 294,995.34 × 70,317.90
  4. Step 4: Simplify right side
    196,711.79x = 20,743,452,818.59
  5. Step 5: Solve for x
    x = 20,743,452,818.59/196,711.79
  6. Step 6: Final answer
    x = 105,450.99

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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.