Home / 130,372.62-179,899.33-73,003.96

Finding the Fourth Proportional to 130,372.62, 179,899.33 and 73,003.96

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Solution

The fourth proportional to 130,372.62, 179,899.33 and 73,003.96 is: 100,737.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,372.62 : 179,899.33 = 73,003.96 : x
  2. Step 2: Convert to fraction form
    130,372.62/179,899.33 = 73,003.96/x
  3. Step 3: Cross multiply
    130,372.62x = 179,899.33 × 73,003.96
  4. Step 4: Simplify right side
    130,372.62x = 13,133,363,491.35
  5. Step 5: Solve for x
    x = 13,133,363,491.35/130,372.62
  6. Step 6: Final answer
    x = 100,737.13

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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.