Home / 378,029.12-567,095.52-111,810.56

Finding the Fourth Proportional to 378,029.12, 567,095.52 and 111,810.56

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Solution

The fourth proportional to 378,029.12, 567,095.52 and 111,810.56 is: 167,731.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,029.12 : 567,095.52 = 111,810.56 : x
  2. Step 2: Convert to fraction form
    378,029.12/567,095.52 = 111,810.56/x
  3. Step 3: Cross multiply
    378,029.12x = 567,095.52 × 111,810.56
  4. Step 4: Simplify right side
    378,029.12x = 63,407,267,664.69
  5. Step 5: Solve for x
    x = 63,407,267,664.69/378,029.12
  6. Step 6: Final answer
    x = 167,731.17

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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.