Home / 313,345.08-432,370.60-179,183.16

Finding the Fourth Proportional to 313,345.08, 432,370.60 and 179,183.16

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Solution

The fourth proportional to 313,345.08, 432,370.60 and 179,183.16 is: 247,246.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,345.08 : 432,370.60 = 179,183.16 : x
  2. Step 2: Convert to fraction form
    313,345.08/432,370.60 = 179,183.16/x
  3. Step 3: Cross multiply
    313,345.08x = 432,370.60 × 179,183.16
  4. Step 4: Simplify right side
    313,345.08x = 77,473,530,399.10
  5. Step 5: Solve for x
    x = 77,473,530,399.10/313,345.08
  6. Step 6: Final answer
    x = 247,246.68

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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.