Home / 161,661.62-223,185.57-108,037.46

Finding the Fourth Proportional to 161,661.62, 223,185.57 and 108,037.46

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Solution

The fourth proportional to 161,661.62, 223,185.57 and 108,037.46 is: 149,153.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,661.62 : 223,185.57 = 108,037.46 : x
  2. Step 2: Convert to fraction form
    161,661.62/223,185.57 = 108,037.46/x
  3. Step 3: Cross multiply
    161,661.62x = 223,185.57 × 108,037.46
  4. Step 4: Simplify right side
    161,661.62x = 24,112,402,091.45
  5. Step 5: Solve for x
    x = 24,112,402,091.45/161,661.62
  6. Step 6: Final answer
    x = 149,153.53

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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.