Home / 312,183.04-430,813.76-176,218.24

Finding the Fourth Proportional to 312,183.04, 430,813.76 and 176,218.24

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Solution

The fourth proportional to 312,183.04, 430,813.76 and 176,218.24 is: 243,181.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,183.04 : 430,813.76 = 176,218.24 : x
  2. Step 2: Convert to fraction form
    312,183.04/430,813.76 = 176,218.24/x
  3. Step 3: Cross multiply
    312,183.04x = 430,813.76 × 176,218.24
  4. Step 4: Simplify right side
    312,183.04x = 75,917,242,554.98
  5. Step 5: Solve for x
    x = 75,917,242,554.98/312,183.04
  6. Step 6: Final answer
    x = 243,181.83

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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.