Home / 351,358.12-484,416.66-223,987.24

Finding the Fourth Proportional to 351,358.12, 484,416.66 and 223,987.24

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Solution

The fourth proportional to 351,358.12, 484,416.66 and 223,987.24 is: 308,810.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,358.12 : 484,416.66 = 223,987.24 : x
  2. Step 2: Convert to fraction form
    351,358.12/484,416.66 = 223,987.24/x
  3. Step 3: Cross multiply
    351,358.12x = 484,416.66 × 223,987.24
  4. Step 4: Simplify right side
    351,358.12x = 108,503,150,683.42
  5. Step 5: Solve for x
    x = 108,503,150,683.42/351,358.12
  6. Step 6: Final answer
    x = 308,810.71

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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.