Home / 161,895.16-242,871.96-73,190.44

Finding the Fourth Proportional to 161,895.16, 242,871.96 and 73,190.44

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Solution

The fourth proportional to 161,895.16, 242,871.96 and 73,190.44 is: 109,798.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,895.16 : 242,871.96 = 73,190.44 : x
  2. Step 2: Convert to fraction form
    161,895.16/242,871.96 = 73,190.44/x
  3. Step 3: Cross multiply
    161,895.16x = 242,871.96 × 73,190.44
  4. Step 4: Simplify right side
    161,895.16x = 17,775,905,616.06
  5. Step 5: Solve for x
    x = 17,775,905,616.06/161,895.16
  6. Step 6: Final answer
    x = 109,798.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.