Home / 290,111.04-400,332.24-161,056.44

Finding the Fourth Proportional to 290,111.04, 400,332.24 and 161,056.44

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Solution

The fourth proportional to 290,111.04, 400,332.24 and 161,056.44 is: 222,246.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,111.04 : 400,332.24 = 161,056.44 : x
  2. Step 2: Convert to fraction form
    290,111.04/400,332.24 = 161,056.44/x
  3. Step 3: Cross multiply
    290,111.04x = 400,332.24 × 161,056.44
  4. Step 4: Simplify right side
    290,111.04x = 64,476,085,391.63
  5. Step 5: Solve for x
    x = 64,476,085,391.63/290,111.04
  6. Step 6: Final answer
    x = 222,246.23

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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.