Home / 223,439.58-308,328.24-131,544.27

Finding the Fourth Proportional to 223,439.58, 308,328.24 and 131,544.27

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Solution

The fourth proportional to 223,439.58, 308,328.24 and 131,544.27 is: 181,520.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,439.58 : 308,328.24 = 131,544.27 : x
  2. Step 2: Convert to fraction form
    223,439.58/308,328.24 = 131,544.27/x
  3. Step 3: Cross multiply
    223,439.58x = 308,328.24 × 131,544.27
  4. Step 4: Simplify right side
    223,439.58x = 40,558,813,251.18
  5. Step 5: Solve for x
    x = 40,558,813,251.18/223,439.58
  6. Step 6: Final answer
    x = 181,520.27

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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.