Home / 161,930.94-223,467.57-90,303.27

Finding the Fourth Proportional to 161,930.94, 223,467.57 and 90,303.27

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Solution

The fourth proportional to 161,930.94, 223,467.57 and 90,303.27 is: 124,620.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,930.94 : 223,467.57 = 90,303.27 : x
  2. Step 2: Convert to fraction form
    161,930.94/223,467.57 = 90,303.27/x
  3. Step 3: Cross multiply
    161,930.94x = 223,467.57 × 90,303.27
  4. Step 4: Simplify right side
    161,930.94x = 20,179,852,309.95
  5. Step 5: Solve for x
    x = 20,179,852,309.95/161,930.94
  6. Step 6: Final answer
    x = 124,620.11

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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.