Home / 161,865.88-223,295.52-108,164.08

Finding the Fourth Proportional to 161,865.88, 223,295.52 and 108,164.08

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Solution

The fourth proportional to 161,865.88, 223,295.52 and 108,164.08 is: 149,213.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,865.88 : 223,295.52 = 108,164.08 : x
  2. Step 2: Convert to fraction form
    161,865.88/223,295.52 = 108,164.08/x
  3. Step 3: Cross multiply
    161,865.88x = 223,295.52 × 108,164.08
  4. Step 4: Simplify right side
    161,865.88x = 24,152,554,488.92
  5. Step 5: Solve for x
    x = 24,152,554,488.92/161,865.88
  6. Step 6: Final answer
    x = 149,213.38

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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.