Home / 196,409.16-294,732.18-70,039.80

Finding the Fourth Proportional to 196,409.16, 294,732.18 and 70,039.80

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Solution

The fourth proportional to 196,409.16, 294,732.18 and 70,039.80 is: 105,101.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,409.16 : 294,732.18 = 70,039.80 : x
  2. Step 2: Convert to fraction form
    196,409.16/294,732.18 = 70,039.80/x
  3. Step 3: Cross multiply
    196,409.16x = 294,732.18 × 70,039.80
  4. Step 4: Simplify right side
    196,409.16x = 20,642,982,940.76
  5. Step 5: Solve for x
    x = 20,642,982,940.76/196,409.16
  6. Step 6: Final answer
    x = 105,101.94

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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.