Home / 130,460.56-180,067.84-73,905.28

Finding the Fourth Proportional to 130,460.56, 180,067.84 and 73,905.28

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Solution

The fourth proportional to 130,460.56, 180,067.84 and 73,905.28 is: 102,007.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,460.56 : 180,067.84 = 73,905.28 : x
  2. Step 2: Convert to fraction form
    130,460.56/180,067.84 = 73,905.28/x
  3. Step 3: Cross multiply
    130,460.56x = 180,067.84 × 73,905.28
  4. Step 4: Simplify right side
    130,460.56x = 13,307,964,134.20
  5. Step 5: Solve for x
    x = 13,307,964,134.20/130,460.56
  6. Step 6: Final answer
    x = 102,007.57

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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.