Home / 119,916.57-165,483.87-66,200.44

Finding the Fourth Proportional to 119,916.57, 165,483.87 and 66,200.44

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Solution

The fourth proportional to 119,916.57, 165,483.87 and 66,200.44 is: 91,356.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,916.57 : 165,483.87 = 66,200.44 : x
  2. Step 2: Convert to fraction form
    119,916.57/165,483.87 = 66,200.44/x
  3. Step 3: Cross multiply
    119,916.57x = 165,483.87 × 66,200.44
  4. Step 4: Simplify right side
    119,916.57x = 10,955,105,006.90
  5. Step 5: Solve for x
    x = 10,955,105,006.90/119,916.57
  6. Step 6: Final answer
    x = 91,356.06

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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.