Home / 317,786.32-438,621.48-181,899.04

Finding the Fourth Proportional to 317,786.32, 438,621.48 and 181,899.04

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Solution

The fourth proportional to 317,786.32, 438,621.48 and 181,899.04 is: 251,064.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,786.32 : 438,621.48 = 181,899.04 : x
  2. Step 2: Convert to fraction form
    317,786.32/438,621.48 = 181,899.04/x
  3. Step 3: Cross multiply
    317,786.32x = 438,621.48 × 181,899.04
  4. Step 4: Simplify right side
    317,786.32x = 79,784,826,135.38
  5. Step 5: Solve for x
    x = 79,784,826,135.38/317,786.32
  6. Step 6: Final answer
    x = 251,064.38

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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.