Home / 281,323.08-388,201.24-166,581.13

Finding the Fourth Proportional to 281,323.08, 388,201.24 and 166,581.13

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Solution

The fourth proportional to 281,323.08, 388,201.24 and 166,581.13 is: 229,867.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,323.08 : 388,201.24 = 166,581.13 : x
  2. Step 2: Convert to fraction form
    281,323.08/388,201.24 = 166,581.13/x
  3. Step 3: Cross multiply
    281,323.08x = 388,201.24 × 166,581.13
  4. Step 4: Simplify right side
    281,323.08x = 64,667,001,226.60
  5. Step 5: Solve for x
    x = 64,667,001,226.60/281,323.08
  6. Step 6: Final answer
    x = 229,867.39

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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.