Home / 229,973.02-344,961.06-80,212.75

Finding the Fourth Proportional to 229,973.02, 344,961.06 and 80,212.75

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Solution

The fourth proportional to 229,973.02, 344,961.06 and 80,212.75 is: 120,319.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,973.02 : 344,961.06 = 80,212.75 : x
  2. Step 2: Convert to fraction form
    229,973.02/344,961.06 = 80,212.75/x
  3. Step 3: Cross multiply
    229,973.02x = 344,961.06 × 80,212.75
  4. Step 4: Simplify right side
    229,973.02x = 27,670,275,265.52
  5. Step 5: Solve for x
    x = 27,670,275,265.52/229,973.02
  6. Step 6: Final answer
    x = 120,319.66

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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.