Home / 162,024.30-242,708.40-91,821.60

Finding the Fourth Proportional to 162,024.30, 242,708.40 and 91,821.60

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Solution

The fourth proportional to 162,024.30, 242,708.40 and 91,821.60 is: 137,546.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,024.30 : 242,708.40 = 91,821.60 : x
  2. Step 2: Convert to fraction form
    162,024.30/242,708.40 = 91,821.60/x
  3. Step 3: Cross multiply
    162,024.30x = 242,708.40 × 91,821.60
  4. Step 4: Simplify right side
    162,024.30x = 22,285,873,621.44
  5. Step 5: Solve for x
    x = 22,285,873,621.44/162,024.30
  6. Step 6: Final answer
    x = 137,546.49

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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.