Home / 217,918.38-300,032.19-185,959.02

Finding the Fourth Proportional to 217,918.38, 300,032.19 and 185,959.02

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Solution

The fourth proportional to 217,918.38, 300,032.19 and 185,959.02 is: 256,030.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,918.38 : 300,032.19 = 185,959.02 : x
  2. Step 2: Convert to fraction form
    217,918.38/300,032.19 = 185,959.02/x
  3. Step 3: Cross multiply
    217,918.38x = 300,032.19 × 185,959.02
  4. Step 4: Simplify right side
    217,918.38x = 55,793,692,020.85
  5. Step 5: Solve for x
    x = 55,793,692,020.85/217,918.38
  6. Step 6: Final answer
    x = 256,030.23

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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.