Home / 376,942.14-520,152.84-223,973.64

Finding the Fourth Proportional to 376,942.14, 520,152.84 and 223,973.64

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Solution

The fourth proportional to 376,942.14, 520,152.84 and 223,973.64 is: 309,067.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,942.14 : 520,152.84 = 223,973.64 : x
  2. Step 2: Convert to fraction form
    376,942.14/520,152.84 = 223,973.64/x
  3. Step 3: Cross multiply
    376,942.14x = 520,152.84 × 223,973.64
  4. Step 4: Simplify right side
    376,942.14x = 116,500,524,931.14
  5. Step 5: Solve for x
    x = 116,500,524,931.14/376,942.14
  6. Step 6: Final answer
    x = 309,067.39

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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.