Home / 202,390.56-279,329.04-196,195.68

Finding the Fourth Proportional to 202,390.56, 279,329.04 and 196,195.68

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Solution

The fourth proportional to 202,390.56, 279,329.04 and 196,195.68 is: 270,779.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,390.56 : 279,329.04 = 196,195.68 : x
  2. Step 2: Convert to fraction form
    202,390.56/279,329.04 = 196,195.68/x
  3. Step 3: Cross multiply
    202,390.56x = 279,329.04 × 196,195.68
  4. Step 4: Simplify right side
    202,390.56x = 54,803,150,946.55
  5. Step 5: Solve for x
    x = 54,803,150,946.55/202,390.56
  6. Step 6: Final answer
    x = 270,779.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.