Home / 116,131.40-174,155.26-40,209.32

Finding the Fourth Proportional to 116,131.40, 174,155.26 and 40,209.32

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Solution

The fourth proportional to 116,131.40, 174,155.26 and 40,209.32 is: 60,299.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,131.40 : 174,155.26 = 40,209.32 : x
  2. Step 2: Convert to fraction form
    116,131.40/174,155.26 = 40,209.32/x
  3. Step 3: Cross multiply
    116,131.40x = 174,155.26 × 40,209.32
  4. Step 4: Simplify right side
    116,131.40x = 7,002,664,579.02
  5. Step 5: Solve for x
    x = 7,002,664,579.02/116,131.40
  6. Step 6: Final answer
    x = 60,299.49

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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.