Home / 242,002.40-362,485.20-158,021.60

Finding the Fourth Proportional to 242,002.40, 362,485.20 and 158,021.60

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Solution

The fourth proportional to 242,002.40, 362,485.20 and 158,021.60 is: 236,693.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,002.40 : 362,485.20 = 158,021.60 : x
  2. Step 2: Convert to fraction form
    242,002.40/362,485.20 = 158,021.60/x
  3. Step 3: Cross multiply
    242,002.40x = 362,485.20 × 158,021.60
  4. Step 4: Simplify right side
    242,002.40x = 57,280,491,280.32
  5. Step 5: Solve for x
    x = 57,280,491,280.32/242,002.40
  6. Step 6: Final answer
    x = 236,693.90

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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.