Home / 152,825.04-229,243.44-72,821.76

Finding the Fourth Proportional to 152,825.04, 229,243.44 and 72,821.76

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Solution

The fourth proportional to 152,825.04, 229,243.44 and 72,821.76 is: 109,235.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,825.04 : 229,243.44 = 72,821.76 : x
  2. Step 2: Convert to fraction form
    152,825.04/229,243.44 = 72,821.76/x
  3. Step 3: Cross multiply
    152,825.04x = 229,243.44 × 72,821.76
  4. Step 4: Simplify right side
    152,825.04x = 16,693,910,769.25
  5. Step 5: Solve for x
    x = 16,693,910,769.25/152,825.04
  6. Step 6: Final answer
    x = 109,235.44

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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.