Home / 294,934.50-442,403.37-73,318.50

Finding the Fourth Proportional to 294,934.50, 442,403.37 and 73,318.50

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Solution

The fourth proportional to 294,934.50, 442,403.37 and 73,318.50 is: 109,978.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,934.50 : 442,403.37 = 73,318.50 : x
  2. Step 2: Convert to fraction form
    294,934.50/442,403.37 = 73,318.50/x
  3. Step 3: Cross multiply
    294,934.50x = 442,403.37 × 73,318.50
  4. Step 4: Simplify right side
    294,934.50x = 32,436,351,483.35
  5. Step 5: Solve for x
    x = 32,436,351,483.35/294,934.50
  6. Step 6: Final answer
    x = 109,978.15

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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.