Home / 313,981.46-433,305.79-179,871.38

Finding the Fourth Proportional to 313,981.46, 433,305.79 and 179,871.38

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Solution

The fourth proportional to 313,981.46, 433,305.79 and 179,871.38 is: 248,229.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,981.46 : 433,305.79 = 179,871.38 : x
  2. Step 2: Convert to fraction form
    313,981.46/433,305.79 = 179,871.38/x
  3. Step 3: Cross multiply
    313,981.46x = 433,305.79 × 179,871.38
  4. Step 4: Simplify right side
    313,981.46x = 77,939,310,409.29
  5. Step 5: Solve for x
    x = 77,939,310,409.29/313,981.46
  6. Step 6: Final answer
    x = 248,229.02

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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.