Home / 119,955.36-165,543.72-68,984.64

Finding the Fourth Proportional to 119,955.36, 165,543.72 and 68,984.64

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Solution

The fourth proportional to 119,955.36, 165,543.72 and 68,984.64 is: 95,201.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,955.36 : 165,543.72 = 68,984.64 : x
  2. Step 2: Convert to fraction form
    119,955.36/165,543.72 = 68,984.64/x
  3. Step 3: Cross multiply
    119,955.36x = 165,543.72 × 68,984.64
  4. Step 4: Simplify right side
    119,955.36x = 11,419,973,928.46
  5. Step 5: Solve for x
    x = 11,419,973,928.46/119,955.36
  6. Step 6: Final answer
    x = 95,201.86

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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.