Home / 302,111.32-416,934-199,960.81

Finding the Fourth Proportional to 302,111.32, 416,934 and 199,960.81

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Solution

The fourth proportional to 302,111.32, 416,934 and 199,960.81 is: 275,959.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,111.32 : 416,934 = 199,960.81 : x
  2. Step 2: Convert to fraction form
    302,111.32/416,934 = 199,960.81/x
  3. Step 3: Cross multiply
    302,111.32x = 416,934 × 199,960.81
  4. Step 4: Simplify right side
    302,111.32x = 83,370,460,356.54
  5. Step 5: Solve for x
    x = 83,370,460,356.54/302,111.32
  6. Step 6: Final answer
    x = 275,959.41

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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.