Home / 240,623.88-331,300.10-211,923.24

Finding the Fourth Proportional to 240,623.88, 331,300.10 and 211,923.24

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Solution

The fourth proportional to 240,623.88, 331,300.10 and 211,923.24 is: 291,783.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,623.88 : 331,300.10 = 211,923.24 : x
  2. Step 2: Convert to fraction form
    240,623.88/331,300.10 = 211,923.24/x
  3. Step 3: Cross multiply
    240,623.88x = 331,300.10 × 211,923.24
  4. Step 4: Simplify right side
    240,623.88x = 70,210,190,604.32
  5. Step 5: Solve for x
    x = 70,210,190,604.32/240,623.88
  6. Step 6: Final answer
    x = 291,783.97

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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.