Home / 173,729.40-260,087-106,969.20

Finding the Fourth Proportional to 173,729.40, 260,087 and 106,969.20

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Solution

The fourth proportional to 173,729.40, 260,087 and 106,969.20 is: 160,141.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,729.40 : 260,087 = 106,969.20 : x
  2. Step 2: Convert to fraction form
    173,729.40/260,087 = 106,969.20/x
  3. Step 3: Cross multiply
    173,729.40x = 260,087 × 106,969.20
  4. Step 4: Simplify right side
    173,729.40x = 27,821,298,320.40
  5. Step 5: Solve for x
    x = 27,821,298,320.40/173,729.40
  6. Step 6: Final answer
    x = 160,141.57

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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.