Home / 119,976.55-165,564.47-66,260.41

Finding the Fourth Proportional to 119,976.55, 165,564.47 and 66,260.41

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Solution

The fourth proportional to 119,976.55, 165,564.47 and 66,260.41 is: 91,437.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,976.55 : 165,564.47 = 66,260.41 : x
  2. Step 2: Convert to fraction form
    119,976.55/165,564.47 = 66,260.41/x
  3. Step 3: Cross multiply
    119,976.55x = 165,564.47 × 66,260.41
  4. Step 4: Simplify right side
    119,976.55x = 10,970,369,663.63
  5. Step 5: Solve for x
    x = 10,970,369,663.63/119,976.55
  6. Step 6: Final answer
    x = 91,437.62

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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.