Home / 328,493.75-453,321.38-177,590.75

Finding the Fourth Proportional to 328,493.75, 453,321.38 and 177,590.75

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Solution

The fourth proportional to 328,493.75, 453,321.38 and 177,590.75 is: 245,075.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,493.75 : 453,321.38 = 177,590.75 : x
  2. Step 2: Convert to fraction form
    328,493.75/453,321.38 = 177,590.75/x
  3. Step 3: Cross multiply
    328,493.75x = 453,321.38 × 177,590.75
  4. Step 4: Simplify right side
    328,493.75x = 80,505,683,865.24
  5. Step 5: Solve for x
    x = 80,505,683,865.24/328,493.75
  6. Step 6: Final answer
    x = 245,075.24

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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.