Home / 456,821.62-685,298.04-141,303.12

Finding the Fourth Proportional to 456,821.62, 685,298.04 and 141,303.12

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Solution

The fourth proportional to 456,821.62, 685,298.04 and 141,303.12 is: 211,974.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,821.62 : 685,298.04 = 141,303.12 : x
  2. Step 2: Convert to fraction form
    456,821.62/685,298.04 = 141,303.12/x
  3. Step 3: Cross multiply
    456,821.62x = 685,298.04 × 141,303.12
  4. Step 4: Simplify right side
    456,821.62x = 96,834,751,181.88
  5. Step 5: Solve for x
    x = 96,834,751,181.88/456,821.62
  6. Step 6: Final answer
    x = 211,974.97

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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.