Home / 336,181.10-463,979.32-221,441.36

Finding the Fourth Proportional to 336,181.10, 463,979.32 and 221,441.36

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Solution

The fourth proportional to 336,181.10, 463,979.32 and 221,441.36 is: 305,621.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,181.10 : 463,979.32 = 221,441.36 : x
  2. Step 2: Convert to fraction form
    336,181.10/463,979.32 = 221,441.36/x
  3. Step 3: Cross multiply
    336,181.10x = 463,979.32 × 221,441.36
  4. Step 4: Simplify right side
    336,181.10x = 102,744,212,614.67
  5. Step 5: Solve for x
    x = 102,744,212,614.67/336,181.10
  6. Step 6: Final answer
    x = 305,621.62

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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.