Home / 212,444.12-293,183.40-116,949.80

Finding the Fourth Proportional to 212,444.12, 293,183.40 and 116,949.80

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Solution

The fourth proportional to 212,444.12, 293,183.40 and 116,949.80 is: 161,396.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,444.12 : 293,183.40 = 116,949.80 : x
  2. Step 2: Convert to fraction form
    212,444.12/293,183.40 = 116,949.80/x
  3. Step 3: Cross multiply
    212,444.12x = 293,183.40 × 116,949.80
  4. Step 4: Simplify right side
    212,444.12x = 34,287,739,993.32
  5. Step 5: Solve for x
    x = 34,287,739,993.32/212,444.12
  6. Step 6: Final answer
    x = 161,396.51

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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.