Home / 174,516.12-261,804.87-90,253.35

Finding the Fourth Proportional to 174,516.12, 261,804.87 and 90,253.35

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Solution

The fourth proportional to 174,516.12, 261,804.87 and 90,253.35 is: 135,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,516.12 : 261,804.87 = 90,253.35 : x
  2. Step 2: Convert to fraction form
    174,516.12/261,804.87 = 90,253.35/x
  3. Step 3: Cross multiply
    174,516.12x = 261,804.87 × 90,253.35
  4. Step 4: Simplify right side
    174,516.12x = 23,628,766,563.81
  5. Step 5: Solve for x
    x = 23,628,766,563.81/174,516.12
  6. Step 6: Final answer
    x = 135,395.90

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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.