Home / 119,916.52-165,483.90-66,201.60

Finding the Fourth Proportional to 119,916.52, 165,483.90 and 66,201.60

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Solution

The fourth proportional to 119,916.52, 165,483.90 and 66,201.60 is: 91,357.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,916.52 : 165,483.90 = 66,201.60 : x
  2. Step 2: Convert to fraction form
    119,916.52/165,483.90 = 66,201.60/x
  3. Step 3: Cross multiply
    119,916.52x = 165,483.90 × 66,201.60
  4. Step 4: Simplify right side
    119,916.52x = 10,955,298,954.24
  5. Step 5: Solve for x
    x = 10,955,298,954.24/119,916.52
  6. Step 6: Final answer
    x = 91,357.71

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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.