Home / 119,867.88-165,412.83-66,152.19

Finding the Fourth Proportional to 119,867.88, 165,412.83 and 66,152.19

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Solution

The fourth proportional to 119,867.88, 165,412.83 and 66,152.19 is: 91,287.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,867.88 : 165,412.83 = 66,152.19 : x
  2. Step 2: Convert to fraction form
    119,867.88/165,412.83 = 66,152.19/x
  3. Step 3: Cross multiply
    119,867.88x = 165,412.83 × 66,152.19
  4. Step 4: Simplify right side
    119,867.88x = 10,942,421,826.97
  5. Step 5: Solve for x
    x = 10,942,421,826.97/119,867.88
  6. Step 6: Final answer
    x = 91,287.36

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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.