Home / 196,502.19-294,815.54-70,139.62

Finding the Fourth Proportional to 196,502.19, 294,815.54 and 70,139.62

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Solution

The fourth proportional to 196,502.19, 294,815.54 and 70,139.62 is: 105,231.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,502.19 : 294,815.54 = 70,139.62 : x
  2. Step 2: Convert to fraction form
    196,502.19/294,815.54 = 70,139.62/x
  3. Step 3: Cross multiply
    196,502.19x = 294,815.54 × 70,139.62
  4. Step 4: Simplify right side
    196,502.19x = 20,678,249,945.69
  5. Step 5: Solve for x
    x = 20,678,249,945.69/196,502.19
  6. Step 6: Final answer
    x = 105,231.65

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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.