Home / 294,971.40-442,629.90-108,001.80

Finding the Fourth Proportional to 294,971.40, 442,629.90 and 108,001.80

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Solution

The fourth proportional to 294,971.40, 442,629.90 and 108,001.80 is: 162,065.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,971.40 : 442,629.90 = 108,001.80 : x
  2. Step 2: Convert to fraction form
    294,971.40/442,629.90 = 108,001.80/x
  3. Step 3: Cross multiply
    294,971.40x = 442,629.90 × 108,001.80
  4. Step 4: Simplify right side
    294,971.40x = 47,804,825,933.82
  5. Step 5: Solve for x
    x = 47,804,825,933.82/294,971.40
  6. Step 6: Final answer
    x = 162,065.97

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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.