Home / 114,325.44-171,513.20-38,421.28

Finding the Fourth Proportional to 114,325.44, 171,513.20 and 38,421.28

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Solution

The fourth proportional to 114,325.44, 171,513.20 and 38,421.28 is: 57,640.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,325.44 : 171,513.20 = 38,421.28 : x
  2. Step 2: Convert to fraction form
    114,325.44/171,513.20 = 38,421.28/x
  3. Step 3: Cross multiply
    114,325.44x = 171,513.20 × 38,421.28
  4. Step 4: Simplify right side
    114,325.44x = 6,589,756,680.90
  5. Step 5: Solve for x
    x = 6,589,756,680.90/114,325.44
  6. Step 6: Final answer
    x = 57,640.34

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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.