Home / 205,984.30-308,976.45-73,014.70

Finding the Fourth Proportional to 205,984.30, 308,976.45 and 73,014.70

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Solution

The fourth proportional to 205,984.30, 308,976.45 and 73,014.70 is: 109,522.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,984.30 : 308,976.45 = 73,014.70 : x
  2. Step 2: Convert to fraction form
    205,984.30/308,976.45 = 73,014.70/x
  3. Step 3: Cross multiply
    205,984.30x = 308,976.45 × 73,014.70
  4. Step 4: Simplify right side
    205,984.30x = 22,559,822,803.82
  5. Step 5: Solve for x
    x = 22,559,822,803.82/205,984.30
  6. Step 6: Final answer
    x = 109,522.05

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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.