Home / 461,540.28-692,335.62-145,973.64

Finding the Fourth Proportional to 461,540.28, 692,335.62 and 145,973.64

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Solution

The fourth proportional to 461,540.28, 692,335.62 and 145,973.64 is: 218,968.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,540.28 : 692,335.62 = 145,973.64 : x
  2. Step 2: Convert to fraction form
    461,540.28/692,335.62 = 145,973.64/x
  3. Step 3: Cross multiply
    461,540.28x = 692,335.62 × 145,973.64
  4. Step 4: Simplify right side
    461,540.28x = 101,062,750,553.06
  5. Step 5: Solve for x
    x = 101,062,750,553.06/461,540.28
  6. Step 6: Final answer
    x = 218,968.43

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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.