Home / 130,424.92-195,676.38-74,982.04

Finding the Fourth Proportional to 130,424.92, 195,676.38 and 74,982.04

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Solution

The fourth proportional to 130,424.92, 195,676.38 and 74,982.04 is: 112,495.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,424.92 : 195,676.38 = 74,982.04 : x
  2. Step 2: Convert to fraction form
    130,424.92/195,676.38 = 74,982.04/x
  3. Step 3: Cross multiply
    130,424.92x = 195,676.38 × 74,982.04
  4. Step 4: Simplify right side
    130,424.92x = 14,672,214,152.22
  5. Step 5: Solve for x
    x = 14,672,214,152.22/130,424.92
  6. Step 6: Final answer
    x = 112,495.48

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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.