Home / 259,371.38-358,021.80-151,976.18

Finding the Fourth Proportional to 259,371.38, 358,021.80 and 151,976.18

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Solution

The fourth proportional to 259,371.38, 358,021.80 and 151,976.18 is: 209,779.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,371.38 : 358,021.80 = 151,976.18 : x
  2. Step 2: Convert to fraction form
    259,371.38/358,021.80 = 151,976.18/x
  3. Step 3: Cross multiply
    259,371.38x = 358,021.80 × 151,976.18
  4. Step 4: Simplify right side
    259,371.38x = 54,410,785,520.72
  5. Step 5: Solve for x
    x = 54,410,785,520.72/259,371.38
  6. Step 6: Final answer
    x = 209,779.45

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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.