Home / 119,821.04-179,932.08-115,053.20

Finding the Fourth Proportional to 119,821.04, 179,932.08 and 115,053.20

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Solution

The fourth proportional to 119,821.04, 179,932.08 and 115,053.20 is: 172,772.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,821.04 : 179,932.08 = 115,053.20 : x
  2. Step 2: Convert to fraction form
    119,821.04/179,932.08 = 115,053.20/x
  3. Step 3: Cross multiply
    119,821.04x = 179,932.08 × 115,053.20
  4. Step 4: Simplify right side
    119,821.04x = 20,701,761,586.66
  5. Step 5: Solve for x
    x = 20,701,761,586.66/119,821.04
  6. Step 6: Final answer
    x = 172,772.34

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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.