Home / 302,110.32-416,932.62-199,959.81

Finding the Fourth Proportional to 302,110.32, 416,932.62 and 199,959.81

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Solution

The fourth proportional to 302,110.32, 416,932.62 and 199,959.81 is: 275,958.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,110.32 : 416,932.62 = 199,959.81 : x
  2. Step 2: Convert to fraction form
    302,110.32/416,932.62 = 199,959.81/x
  3. Step 3: Cross multiply
    302,110.32x = 416,932.62 × 199,959.81
  4. Step 4: Simplify right side
    302,110.32x = 83,369,767,478.00
  5. Step 5: Solve for x
    x = 83,369,767,478.00/302,110.32
  6. Step 6: Final answer
    x = 275,958.03

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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.