Home / 131,086.48-180,914.73-74,506.36

Finding the Fourth Proportional to 131,086.48, 180,914.73 and 74,506.36

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Solution

The fourth proportional to 131,086.48, 180,914.73 and 74,506.36 is: 102,827.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,086.48 : 180,914.73 = 74,506.36 : x
  2. Step 2: Convert to fraction form
    131,086.48/180,914.73 = 74,506.36/x
  3. Step 3: Cross multiply
    131,086.48x = 180,914.73 × 74,506.36
  4. Step 4: Simplify right side
    131,086.48x = 13,479,298,002.68
  5. Step 5: Solve for x
    x = 13,479,298,002.68/131,086.48
  6. Step 6: Final answer
    x = 102,827.52

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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.