Home / 293,840.20-440,453.10-160,515.40

Finding the Fourth Proportional to 293,840.20, 440,453.10 and 160,515.40

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Solution

The fourth proportional to 293,840.20, 440,453.10 and 160,515.40 is: 240,605.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,840.20 : 440,453.10 = 160,515.40 : x
  2. Step 2: Convert to fraction form
    293,840.20/440,453.10 = 160,515.40/x
  3. Step 3: Cross multiply
    293,840.20x = 440,453.10 × 160,515.40
  4. Step 4: Simplify right side
    293,840.20x = 70,699,505,527.74
  5. Step 5: Solve for x
    x = 70,699,505,527.74/293,840.20
  6. Step 6: Final answer
    x = 240,605.29

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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.