Home / 349,215.08-481,920.18-198,313.16

Finding the Fourth Proportional to 349,215.08, 481,920.18 and 198,313.16

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Solution

The fourth proportional to 349,215.08, 481,920.18 and 198,313.16 is: 273,674.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,215.08 : 481,920.18 = 198,313.16 : x
  2. Step 2: Convert to fraction form
    349,215.08/481,920.18 = 198,313.16/x
  3. Step 3: Cross multiply
    349,215.08x = 481,920.18 × 198,313.16
  4. Step 4: Simplify right side
    349,215.08x = 95,571,113,763.57
  5. Step 5: Solve for x
    x = 95,571,113,763.57/349,215.08
  6. Step 6: Final answer
    x = 273,674.07

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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.