Home / 178,821.09-246,881.46-118,443.48

Finding the Fourth Proportional to 178,821.09, 246,881.46 and 118,443.48

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Solution

The fourth proportional to 178,821.09, 246,881.46 and 118,443.48 is: 163,523.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,821.09 : 246,881.46 = 118,443.48 : x
  2. Step 2: Convert to fraction form
    178,821.09/246,881.46 = 118,443.48/x
  3. Step 3: Cross multiply
    178,821.09x = 246,881.46 × 118,443.48
  4. Step 4: Simplify right side
    178,821.09x = 29,241,499,269.88
  5. Step 5: Solve for x
    x = 29,241,499,269.88/178,821.09
  6. Step 6: Final answer
    x = 163,523.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.