Home / 130,544.23-180,137.46-76,826.04

Finding the Fourth Proportional to 130,544.23, 180,137.46 and 76,826.04

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Solution

The fourth proportional to 130,544.23, 180,137.46 and 76,826.04 is: 106,011.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,544.23 : 180,137.46 = 76,826.04 : x
  2. Step 2: Convert to fraction form
    130,544.23/180,137.46 = 76,826.04/x
  3. Step 3: Cross multiply
    130,544.23x = 180,137.46 × 76,826.04
  4. Step 4: Simplify right side
    130,544.23x = 13,839,247,707.46
  5. Step 5: Solve for x
    x = 13,839,247,707.46/130,544.23
  6. Step 6: Final answer
    x = 106,011.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.