Home / 130,769.83-196,351.58-74,673.28

Finding the Fourth Proportional to 130,769.83, 196,351.58 and 74,673.28

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Solution

The fourth proportional to 130,769.83, 196,351.58 and 74,673.28 is: 112,122.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,769.83 : 196,351.58 = 74,673.28 : x
  2. Step 2: Convert to fraction form
    130,769.83/196,351.58 = 74,673.28/x
  3. Step 3: Cross multiply
    130,769.83x = 196,351.58 × 74,673.28
  4. Step 4: Simplify right side
    130,769.83x = 14,662,216,511.78
  5. Step 5: Solve for x
    x = 14,662,216,511.78/130,769.83
  6. Step 6: Final answer
    x = 112,122.32

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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.