Home / 196,339.20-294,630.30-77,998.20

Finding the Fourth Proportional to 196,339.20, 294,630.30 and 77,998.20

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Solution

The fourth proportional to 196,339.20, 294,630.30 and 77,998.20 is: 117,045.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,339.20 : 294,630.30 = 77,998.20 : x
  2. Step 2: Convert to fraction form
    196,339.20/294,630.30 = 77,998.20/x
  3. Step 3: Cross multiply
    196,339.20x = 294,630.30 × 77,998.20
  4. Step 4: Simplify right side
    196,339.20x = 22,980,633,065.46
  5. Step 5: Solve for x
    x = 22,980,633,065.46/196,339.20
  6. Step 6: Final answer
    x = 117,045.57

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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.