Home / 378,288.14-567,567.72-162,056.16

Finding the Fourth Proportional to 378,288.14, 567,567.72 and 162,056.16

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Solution

The fourth proportional to 378,288.14, 567,567.72 and 162,056.16 is: 243,142.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,288.14 : 567,567.72 = 162,056.16 : x
  2. Step 2: Convert to fraction form
    378,288.14/567,567.72 = 162,056.16/x
  3. Step 3: Cross multiply
    378,288.14x = 567,567.72 × 162,056.16
  4. Step 4: Simplify right side
    378,288.14x = 91,977,845,243.16
  5. Step 5: Solve for x
    x = 91,977,845,243.16/378,288.14
  6. Step 6: Final answer
    x = 243,142.29

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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.