Home / 294,789.36-442,277.50-105,245.66

Finding the Fourth Proportional to 294,789.36, 442,277.50 and 105,245.66

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Solution

The fourth proportional to 294,789.36, 442,277.50 and 105,245.66 is: 157,901.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,789.36 : 442,277.50 = 105,245.66 : x
  2. Step 2: Convert to fraction form
    294,789.36/442,277.50 = 105,245.66/x
  3. Step 3: Cross multiply
    294,789.36x = 442,277.50 × 105,245.66
  4. Step 4: Simplify right side
    294,789.36x = 46,547,787,390.65
  5. Step 5: Solve for x
    x = 46,547,787,390.65/294,789.36
  6. Step 6: Final answer
    x = 157,901.86

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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.