Home / 115,825.40-174,109.30-107,607.80

Finding the Fourth Proportional to 115,825.40, 174,109.30 and 107,607.80

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Solution

The fourth proportional to 115,825.40, 174,109.30 and 107,607.80 is: 161,756.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,825.40 : 174,109.30 = 107,607.80 : x
  2. Step 2: Convert to fraction form
    115,825.40/174,109.30 = 107,607.80/x
  3. Step 3: Cross multiply
    115,825.40x = 174,109.30 × 107,607.80
  4. Step 4: Simplify right side
    115,825.40x = 18,735,518,732.54
  5. Step 5: Solve for x
    x = 18,735,518,732.54/115,825.40
  6. Step 6: Final answer
    x = 161,756.56

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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.