Home / 378,465.32-567,741.90-125,768.36

Finding the Fourth Proportional to 378,465.32, 567,741.90 and 125,768.36

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Solution

The fourth proportional to 378,465.32, 567,741.90 and 125,768.36 is: 188,667.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,465.32 : 567,741.90 = 125,768.36 : x
  2. Step 2: Convert to fraction form
    378,465.32/567,741.90 = 125,768.36/x
  3. Step 3: Cross multiply
    378,465.32x = 567,741.90 × 125,768.36
  4. Step 4: Simplify right side
    378,465.32x = 71,403,967,666.28
  5. Step 5: Solve for x
    x = 71,403,967,666.28/378,465.32
  6. Step 6: Final answer
    x = 188,667.14

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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.