Home / 119,952.09-164,333.61-115,466.31

Finding the Fourth Proportional to 119,952.09, 164,333.61 and 115,466.31

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Solution

The fourth proportional to 119,952.09, 164,333.61 and 115,466.31 is: 158,188.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,952.09 : 164,333.61 = 115,466.31 : x
  2. Step 2: Convert to fraction form
    119,952.09/164,333.61 = 115,466.31/x
  3. Step 3: Cross multiply
    119,952.09x = 164,333.61 × 115,466.31
  4. Step 4: Simplify right side
    119,952.09x = 18,974,995,555.68
  5. Step 5: Solve for x
    x = 18,974,995,555.68/119,952.09
  6. Step 6: Final answer
    x = 158,188.12

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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.