Home / 130,553.56-180,162.38-73,192.60

Finding the Fourth Proportional to 130,553.56, 180,162.38 and 73,192.60

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Solution

The fourth proportional to 130,553.56, 180,162.38 and 73,192.60 is: 101,004.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,553.56 : 180,162.38 = 73,192.60 : x
  2. Step 2: Convert to fraction form
    130,553.56/180,162.38 = 73,192.60/x
  3. Step 3: Cross multiply
    130,553.56x = 180,162.38 × 73,192.60
  4. Step 4: Simplify right side
    130,553.56x = 13,186,551,747.61
  5. Step 5: Solve for x
    x = 13,186,551,747.61/130,553.56
  6. Step 6: Final answer
    x = 101,004.92

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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.