Home / 234,981.16-324,342.42-143,133.64

Finding the Fourth Proportional to 234,981.16, 324,342.42 and 143,133.64

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Solution

The fourth proportional to 234,981.16, 324,342.42 and 143,133.64 is: 197,566.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,981.16 : 324,342.42 = 143,133.64 : x
  2. Step 2: Convert to fraction form
    234,981.16/324,342.42 = 143,133.64/x
  3. Step 3: Cross multiply
    234,981.16x = 324,342.42 × 143,133.64
  4. Step 4: Simplify right side
    234,981.16x = 46,424,311,181.01
  5. Step 5: Solve for x
    x = 46,424,311,181.01/234,981.16
  6. Step 6: Final answer
    x = 197,566.10

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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.