Home / 197,518.48-272,532-116,905.84

Finding the Fourth Proportional to 197,518.48, 272,532 and 116,905.84

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Solution

The fourth proportional to 197,518.48, 272,532 and 116,905.84 is: 161,304.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,518.48 : 272,532 = 116,905.84 : x
  2. Step 2: Convert to fraction form
    197,518.48/272,532 = 116,905.84/x
  3. Step 3: Cross multiply
    197,518.48x = 272,532 × 116,905.84
  4. Step 4: Simplify right side
    197,518.48x = 31,860,582,386.88
  5. Step 5: Solve for x
    x = 31,860,582,386.88/197,518.48
  6. Step 6: Final answer
    x = 161,304.31

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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.