Home / 400,865.45-601,326.23-160,979.31

Finding the Fourth Proportional to 400,865.45, 601,326.23 and 160,979.31

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Solution

The fourth proportional to 400,865.45, 601,326.23 and 160,979.31 is: 241,480.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,865.45 : 601,326.23 = 160,979.31 : x
  2. Step 2: Convert to fraction form
    400,865.45/601,326.23 = 160,979.31/x
  3. Step 3: Cross multiply
    400,865.45x = 601,326.23 × 160,979.31
  4. Step 4: Simplify right side
    400,865.45x = 96,801,080,785.40
  5. Step 5: Solve for x
    x = 96,801,080,785.40/400,865.45
  6. Step 6: Final answer
    x = 241,480.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.