Home / 116,044.20-174,066.30-76,645.80

Finding the Fourth Proportional to 116,044.20, 174,066.30 and 76,645.80

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Solution

The fourth proportional to 116,044.20, 174,066.30 and 76,645.80 is: 114,968.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,044.20 : 174,066.30 = 76,645.80 : x
  2. Step 2: Convert to fraction form
    116,044.20/174,066.30 = 76,645.80/x
  3. Step 3: Cross multiply
    116,044.20x = 174,066.30 × 76,645.80
  4. Step 4: Simplify right side
    116,044.20x = 13,341,450,816.54
  5. Step 5: Solve for x
    x = 13,341,450,816.54/116,044.20
  6. Step 6: Final answer
    x = 114,968.70

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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.