Home / 176,116.19-263,970.84-81,147.83

Finding the Fourth Proportional to 176,116.19, 263,970.84 and 81,147.83

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Solution

The fourth proportional to 176,116.19, 263,970.84 and 81,147.83 is: 121,628.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,116.19 : 263,970.84 = 81,147.83 : x
  2. Step 2: Convert to fraction form
    176,116.19/263,970.84 = 81,147.83/x
  3. Step 3: Cross multiply
    176,116.19x = 263,970.84 × 81,147.83
  4. Step 4: Simplify right side
    176,116.19x = 21,420,660,849.28
  5. Step 5: Solve for x
    x = 21,420,660,849.28/176,116.19
  6. Step 6: Final answer
    x = 121,628.01

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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.