Home / 293,022.80-439,534.20-198,544.40

Finding the Fourth Proportional to 293,022.80, 439,534.20 and 198,544.40

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Solution

The fourth proportional to 293,022.80, 439,534.20 and 198,544.40 is: 297,816.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,022.80 : 439,534.20 = 198,544.40 : x
  2. Step 2: Convert to fraction form
    293,022.80/439,534.20 = 198,544.40/x
  3. Step 3: Cross multiply
    293,022.80x = 439,534.20 × 198,544.40
  4. Step 4: Simplify right side
    293,022.80x = 87,267,054,018.48
  5. Step 5: Solve for x
    x = 87,267,054,018.48/293,022.80
  6. Step 6: Final answer
    x = 297,816.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.