Home / 119,131.04-164,389.52-71,375.52

Finding the Fourth Proportional to 119,131.04, 164,389.52 and 71,375.52

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Solution

The fourth proportional to 119,131.04, 164,389.52 and 71,375.52 is: 98,491.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,131.04 : 164,389.52 = 71,375.52 : x
  2. Step 2: Convert to fraction form
    119,131.04/164,389.52 = 71,375.52/x
  3. Step 3: Cross multiply
    119,131.04x = 164,389.52 × 71,375.52
  4. Step 4: Simplify right side
    119,131.04x = 11,733,387,472.55
  5. Step 5: Solve for x
    x = 11,733,387,472.55/119,131.04
  6. Step 6: Final answer
    x = 98,491.44

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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.