Home / 196,502.05-294,815.36-70,139.50

Finding the Fourth Proportional to 196,502.05, 294,815.36 and 70,139.50

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Solution

The fourth proportional to 196,502.05, 294,815.36 and 70,139.50 is: 105,231.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,502.05 : 294,815.36 = 70,139.50 : x
  2. Step 2: Convert to fraction form
    196,502.05/294,815.36 = 70,139.50/x
  3. Step 3: Cross multiply
    196,502.05x = 294,815.36 × 70,139.50
  4. Step 4: Simplify right side
    196,502.05x = 20,678,201,942.72
  5. Step 5: Solve for x
    x = 20,678,201,942.72/196,502.05
  6. Step 6: Final answer
    x = 105,231.48

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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.