Home / 465,448.22-698,158.37-128,509.44

Finding the Fourth Proportional to 465,448.22, 698,158.37 and 128,509.44

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Solution

The fourth proportional to 465,448.22, 698,158.37 and 128,509.44 is: 192,760.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,448.22 : 698,158.37 = 128,509.44 : x
  2. Step 2: Convert to fraction form
    465,448.22/698,158.37 = 128,509.44/x
  3. Step 3: Cross multiply
    465,448.22x = 698,158.37 × 128,509.44
  4. Step 4: Simplify right side
    465,448.22x = 89,719,941,160.01
  5. Step 5: Solve for x
    x = 89,719,941,160.01/465,448.22
  6. Step 6: Final answer
    x = 192,760.31

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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.