Home / 305,812.07-422,025.89-167,996.82

Finding the Fourth Proportional to 305,812.07, 422,025.89 and 167,996.82

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Solution

The fourth proportional to 305,812.07, 422,025.89 and 167,996.82 is: 231,838.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,812.07 : 422,025.89 = 167,996.82 : x
  2. Step 2: Convert to fraction form
    305,812.07/422,025.89 = 167,996.82/x
  3. Step 3: Cross multiply
    305,812.07x = 422,025.89 × 167,996.82
  4. Step 4: Simplify right side
    305,812.07x = 70,899,007,477.67
  5. Step 5: Solve for x
    x = 70,899,007,477.67/305,812.07
  6. Step 6: Final answer
    x = 231,838.49

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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.