Home / 116,347.76-174,156.96-80,112.80

Finding the Fourth Proportional to 116,347.76, 174,156.96 and 80,112.80

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Solution

The fourth proportional to 116,347.76, 174,156.96 and 80,112.80 is: 119,918.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,347.76 : 174,156.96 = 80,112.80 : x
  2. Step 2: Convert to fraction form
    116,347.76/174,156.96 = 80,112.80/x
  3. Step 3: Cross multiply
    116,347.76x = 174,156.96 × 80,112.80
  4. Step 4: Simplify right side
    116,347.76x = 13,952,201,705.09
  5. Step 5: Solve for x
    x = 13,952,201,705.09/116,347.76
  6. Step 6: Final answer
    x = 119,918.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.