Home / 304,917.48-457,437.56-105,245.60

Finding the Fourth Proportional to 304,917.48, 457,437.56 and 105,245.60

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Solution

The fourth proportional to 304,917.48, 457,437.56 and 105,245.60 is: 157,889.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,917.48 : 457,437.56 = 105,245.60 : x
  2. Step 2: Convert to fraction form
    304,917.48/457,437.56 = 105,245.60/x
  3. Step 3: Cross multiply
    304,917.48x = 457,437.56 × 105,245.60
  4. Step 4: Simplify right side
    304,917.48x = 48,143,287,651.32
  5. Step 5: Solve for x
    x = 48,143,287,651.32/304,917.48
  6. Step 6: Final answer
    x = 157,889.56

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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.