Home / 117,256.68-161,898.76-71,996.04

Finding the Fourth Proportional to 117,256.68, 161,898.76 and 71,996.04

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Solution

The fourth proportional to 117,256.68, 161,898.76 and 71,996.04 is: 99,406.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,256.68 : 161,898.76 = 71,996.04 : x
  2. Step 2: Convert to fraction form
    117,256.68/161,898.76 = 71,996.04/x
  3. Step 3: Cross multiply
    117,256.68x = 161,898.76 × 71,996.04
  4. Step 4: Simplify right side
    117,256.68x = 11,656,069,600.91
  5. Step 5: Solve for x
    x = 11,656,069,600.91/117,256.68
  6. Step 6: Final answer
    x = 99,406.44

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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.