Home / 302,112.32-416,935.38-199,961.81

Finding the Fourth Proportional to 302,112.32, 416,935.38 and 199,961.81

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Solution

The fourth proportional to 302,112.32, 416,935.38 and 199,961.81 is: 275,960.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,112.32 : 416,935.38 = 199,961.81 : x
  2. Step 2: Convert to fraction form
    302,112.32/416,935.38 = 199,961.81/x
  3. Step 3: Cross multiply
    302,112.32x = 416,935.38 × 199,961.81
  4. Step 4: Simplify right side
    302,112.32x = 83,371,153,237.84
  5. Step 5: Solve for x
    x = 83,371,153,237.84/302,112.32
  6. Step 6: Final answer
    x = 275,960.79

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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.