Home / 202,179.02-278,916.84-117,246.86

Finding the Fourth Proportional to 202,179.02, 278,916.84 and 117,246.86

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Solution

The fourth proportional to 202,179.02, 278,916.84 and 117,246.86 is: 161,748.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,179.02 : 278,916.84 = 117,246.86 : x
  2. Step 2: Convert to fraction form
    202,179.02/278,916.84 = 117,246.86/x
  3. Step 3: Cross multiply
    202,179.02x = 278,916.84 × 117,246.86
  4. Step 4: Simplify right side
    202,179.02x = 32,702,123,691.12
  5. Step 5: Solve for x
    x = 32,702,123,691.12/202,179.02
  6. Step 6: Final answer
    x = 161,748.35

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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.