Home / 294,783.84-442,269.23-105,240.15

Finding the Fourth Proportional to 294,783.84, 442,269.23 and 105,240.15

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Solution

The fourth proportional to 294,783.84, 442,269.23 and 105,240.15 is: 157,893.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,783.84 : 442,269.23 = 105,240.15 : x
  2. Step 2: Convert to fraction form
    294,783.84/442,269.23 = 105,240.15/x
  3. Step 3: Cross multiply
    294,783.84x = 442,269.23 × 105,240.15
  4. Step 4: Simplify right side
    294,783.84x = 46,544,479,579.38
  5. Step 5: Solve for x
    x = 46,544,479,579.38/294,783.84
  6. Step 6: Final answer
    x = 157,893.59

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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.