Home / 461,517.12-692,314.56-145,967.04

Finding the Fourth Proportional to 461,517.12, 692,314.56 and 145,967.04

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Solution

The fourth proportional to 461,517.12, 692,314.56 and 145,967.04 is: 218,962.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,517.12 : 692,314.56 = 145,967.04 : x
  2. Step 2: Convert to fraction form
    461,517.12/692,314.56 = 145,967.04/x
  3. Step 3: Cross multiply
    461,517.12x = 692,314.56 × 145,967.04
  4. Step 4: Simplify right side
    461,517.12x = 101,055,107,072.10
  5. Step 5: Solve for x
    x = 101,055,107,072.10/461,517.12
  6. Step 6: Final answer
    x = 218,962.86

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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.