Home / 229,865.37-344,846.65-72,109.77

Finding the Fourth Proportional to 229,865.37, 344,846.65 and 72,109.77

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Solution

The fourth proportional to 229,865.37, 344,846.65 and 72,109.77 is: 108,179.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,865.37 : 344,846.65 = 72,109.77 : x
  2. Step 2: Convert to fraction form
    229,865.37/344,846.65 = 72,109.77/x
  3. Step 3: Cross multiply
    229,865.37x = 344,846.65 × 72,109.77
  4. Step 4: Simplify right side
    229,865.37x = 24,866,812,616.77
  5. Step 5: Solve for x
    x = 24,866,812,616.77/229,865.37
  6. Step 6: Final answer
    x = 108,179.90

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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.