Home / 196,329.57-294,457.07-54,139.69

Finding the Fourth Proportional to 196,329.57, 294,457.07 and 54,139.69

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Solution

The fourth proportional to 196,329.57, 294,457.07 and 54,139.69 is: 81,199.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,329.57 : 294,457.07 = 54,139.69 : x
  2. Step 2: Convert to fraction form
    196,329.57/294,457.07 = 54,139.69/x
  3. Step 3: Cross multiply
    196,329.57x = 294,457.07 × 54,139.69
  4. Step 4: Simplify right side
    196,329.57x = 15,941,814,217.41
  5. Step 5: Solve for x
    x = 15,941,814,217.41/196,329.57
  6. Step 6: Final answer
    x = 81,199.25

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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.