Home / 340,669.56-470,179.98-189,815.16

Finding the Fourth Proportional to 340,669.56, 470,179.98 and 189,815.16

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Solution

The fourth proportional to 340,669.56, 470,179.98 and 189,815.16 is: 261,976.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,669.56 : 470,179.98 = 189,815.16 : x
  2. Step 2: Convert to fraction form
    340,669.56/470,179.98 = 189,815.16/x
  3. Step 3: Cross multiply
    340,669.56x = 470,179.98 × 189,815.16
  4. Step 4: Simplify right side
    340,669.56x = 89,247,288,132.50
  5. Step 5: Solve for x
    x = 89,247,288,132.50/340,669.56
  6. Step 6: Final answer
    x = 261,976.12

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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.