Home / 229,383.51-316,439.38-161,438.19

Finding the Fourth Proportional to 229,383.51, 316,439.38 and 161,438.19

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Solution

The fourth proportional to 229,383.51, 316,439.38 and 161,438.19 is: 222,707.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,383.51 : 316,439.38 = 161,438.19 : x
  2. Step 2: Convert to fraction form
    229,383.51/316,439.38 = 161,438.19/x
  3. Step 3: Cross multiply
    229,383.51x = 316,439.38 × 161,438.19
  4. Step 4: Simplify right side
    229,383.51x = 51,085,400,751.92
  5. Step 5: Solve for x
    x = 51,085,400,751.92/229,383.51
  6. Step 6: Final answer
    x = 222,707.38

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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.