Home / 178,979.16-246,991.41-98,408.06

Finding the Fourth Proportional to 178,979.16, 246,991.41 and 98,408.06

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Solution

The fourth proportional to 178,979.16, 246,991.41 and 98,408.06 is: 135,803.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,979.16 : 246,991.41 = 98,408.06 : x
  2. Step 2: Convert to fraction form
    178,979.16/246,991.41 = 98,408.06/x
  3. Step 3: Cross multiply
    178,979.16x = 246,991.41 × 98,408.06
  4. Step 4: Simplify right side
    178,979.16x = 24,305,944,259.81
  5. Step 5: Solve for x
    x = 24,305,944,259.81/178,979.16
  6. Step 6: Final answer
    x = 135,803.21

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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.