Home / 460,142.88-690,380.40-160,667.60

Finding the Fourth Proportional to 460,142.88, 690,380.40 and 160,667.60

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Solution

The fourth proportional to 460,142.88, 690,380.40 and 160,667.60 is: 241,059.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,142.88 : 690,380.40 = 160,667.60 : x
  2. Step 2: Convert to fraction form
    460,142.88/690,380.40 = 160,667.60/x
  3. Step 3: Cross multiply
    460,142.88x = 690,380.40 × 160,667.60
  4. Step 4: Simplify right side
    460,142.88x = 110,921,761,955.04
  5. Step 5: Solve for x
    x = 110,921,761,955.04/460,142.88
  6. Step 6: Final answer
    x = 241,059.39

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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.