Home / 413,621.12-620,339.52-164,236.16

Finding the Fourth Proportional to 413,621.12, 620,339.52 and 164,236.16

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Solution

The fourth proportional to 413,621.12, 620,339.52 and 164,236.16 is: 246,317.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,621.12 : 620,339.52 = 164,236.16 : x
  2. Step 2: Convert to fraction form
    413,621.12/620,339.52 = 164,236.16/x
  3. Step 3: Cross multiply
    413,621.12x = 620,339.52 × 164,236.16
  4. Step 4: Simplify right side
    413,621.12x = 101,882,180,661.04
  5. Step 5: Solve for x
    x = 101,882,180,661.04/413,621.12
  6. Step 6: Final answer
    x = 246,317.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.