Home / 130,495.44-180,086.08-73,918.56

Finding the Fourth Proportional to 130,495.44, 180,086.08 and 73,918.56

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Solution

The fourth proportional to 130,495.44, 180,086.08 and 73,918.56 is: 102,008.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,495.44 : 180,086.08 = 73,918.56 : x
  2. Step 2: Convert to fraction form
    130,495.44/180,086.08 = 73,918.56/x
  3. Step 3: Cross multiply
    130,495.44x = 180,086.08 × 73,918.56
  4. Step 4: Simplify right side
    130,495.44x = 13,311,703,709.64
  5. Step 5: Solve for x
    x = 13,311,703,709.64/130,495.44
  6. Step 6: Final answer
    x = 102,008.96

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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.