Home / 119,964.08-164,350.04-115,478.32

Finding the Fourth Proportional to 119,964.08, 164,350.04 and 115,478.32

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Solution

The fourth proportional to 119,964.08, 164,350.04 and 115,478.32 is: 158,204.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,964.08 : 164,350.04 = 115,478.32 : x
  2. Step 2: Convert to fraction form
    119,964.08/164,350.04 = 115,478.32/x
  3. Step 3: Cross multiply
    119,964.08x = 164,350.04 × 115,478.32
  4. Step 4: Simplify right side
    119,964.08x = 18,978,866,511.13
  5. Step 5: Solve for x
    x = 18,978,866,511.13/119,964.08
  6. Step 6: Final answer
    x = 158,204.58

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.