Home / 223,981.05-309,093.84-123,379.05

Finding the Fourth Proportional to 223,981.05, 309,093.84 and 123,379.05

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Solution

The fourth proportional to 223,981.05, 309,093.84 and 123,379.05 is: 170,263.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,981.05 : 309,093.84 = 123,379.05 : x
  2. Step 2: Convert to fraction form
    223,981.05/309,093.84 = 123,379.05/x
  3. Step 3: Cross multiply
    223,981.05x = 309,093.84 × 123,379.05
  4. Step 4: Simplify right side
    223,981.05x = 38,135,704,340.05
  5. Step 5: Solve for x
    x = 38,135,704,340.05/223,981.05
  6. Step 6: Final answer
    x = 170,263.08

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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.