Home / 119,917.07-165,484.56-66,200.94

Finding the Fourth Proportional to 119,917.07, 165,484.56 and 66,200.94

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Solution

The fourth proportional to 119,917.07, 165,484.56 and 66,200.94 is: 91,356.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,917.07 : 165,484.56 = 66,200.94 : x
  2. Step 2: Convert to fraction form
    119,917.07/165,484.56 = 66,200.94/x
  3. Step 3: Cross multiply
    119,917.07x = 165,484.56 × 66,200.94
  4. Step 4: Simplify right side
    119,917.07x = 10,955,233,427.49
  5. Step 5: Solve for x
    x = 10,955,233,427.49/119,917.07
  6. Step 6: Final answer
    x = 91,356.75

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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.