Home / 130,372.49-179,899.16-73,003.84

Finding the Fourth Proportional to 130,372.49, 179,899.16 and 73,003.84

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Solution

The fourth proportional to 130,372.49, 179,899.16 and 73,003.84 is: 100,736.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,372.49 : 179,899.16 = 73,003.84 : x
  2. Step 2: Convert to fraction form
    130,372.49/179,899.16 = 73,003.84/x
  3. Step 3: Cross multiply
    130,372.49x = 179,899.16 × 73,003.84
  4. Step 4: Simplify right side
    130,372.49x = 13,133,328,678.01
  5. Step 5: Solve for x
    x = 13,133,328,678.01/130,372.49
  6. Step 6: Final answer
    x = 100,736.96

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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.