Home / 119,829.32-165,365.34-66,116.27

Finding the Fourth Proportional to 119,829.32, 165,365.34 and 66,116.27

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Solution

The fourth proportional to 119,829.32, 165,365.34 and 66,116.27 is: 91,240.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,829.32 : 165,365.34 = 66,116.27 : x
  2. Step 2: Convert to fraction form
    119,829.32/165,365.34 = 66,116.27/x
  3. Step 3: Cross multiply
    119,829.32x = 165,365.34 × 66,116.27
  4. Step 4: Simplify right side
    119,829.32x = 10,933,339,468.08
  5. Step 5: Solve for x
    x = 10,933,339,468.08/119,829.32
  6. Step 6: Final answer
    x = 91,240.94

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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.