Home / 293,048.20-439,766.70-166,688.20

Finding the Fourth Proportional to 293,048.20, 439,766.70 and 166,688.20

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Solution

The fourth proportional to 293,048.20, 439,766.70 and 166,688.20 is: 250,142.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,048.20 : 439,766.70 = 166,688.20 : x
  2. Step 2: Convert to fraction form
    293,048.20/439,766.70 = 166,688.20/x
  3. Step 3: Cross multiply
    293,048.20x = 439,766.70 × 166,688.20
  4. Step 4: Simplify right side
    293,048.20x = 73,303,919,642.94
  5. Step 5: Solve for x
    x = 73,303,919,642.94/293,048.20
  6. Step 6: Final answer
    x = 250,142.88

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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.