Home / 161,357.16-242,073.12-54,735.44

Finding the Fourth Proportional to 161,357.16, 242,073.12 and 54,735.44

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Solution

The fourth proportional to 161,357.16, 242,073.12 and 54,735.44 is: 82,115.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,357.16 : 242,073.12 = 54,735.44 : x
  2. Step 2: Convert to fraction form
    161,357.16/242,073.12 = 54,735.44/x
  3. Step 3: Cross multiply
    161,357.16x = 242,073.12 × 54,735.44
  4. Step 4: Simplify right side
    161,357.16x = 13,249,978,735.37
  5. Step 5: Solve for x
    x = 13,249,978,735.37/161,357.16
  6. Step 6: Final answer
    x = 82,115.84

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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.