Home / 130,408.02-179,963.17-73,837.62

Finding the Fourth Proportional to 130,408.02, 179,963.17 and 73,837.62

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Solution

The fourth proportional to 130,408.02, 179,963.17 and 73,837.62 is: 101,895.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,408.02 : 179,963.17 = 73,837.62 : x
  2. Step 2: Convert to fraction form
    130,408.02/179,963.17 = 73,837.62/x
  3. Step 3: Cross multiply
    130,408.02x = 179,963.17 × 73,837.62
  4. Step 4: Simplify right side
    130,408.02x = 13,288,052,160.46
  5. Step 5: Solve for x
    x = 13,288,052,160.46/130,408.02
  6. Step 6: Final answer
    x = 101,895.97

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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.