Home / 147,973.44-204,192.72-91,385.76

Finding the Fourth Proportional to 147,973.44, 204,192.72 and 91,385.76

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Solution

The fourth proportional to 147,973.44, 204,192.72 and 91,385.76 is: 126,105.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,973.44 : 204,192.72 = 91,385.76 : x
  2. Step 2: Convert to fraction form
    147,973.44/204,192.72 = 91,385.76/x
  3. Step 3: Cross multiply
    147,973.44x = 204,192.72 × 91,385.76
  4. Step 4: Simplify right side
    147,973.44x = 18,660,306,903.67
  5. Step 5: Solve for x
    x = 18,660,306,903.67/147,973.44
  6. Step 6: Final answer
    x = 126,105.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.