Home / 127,549.40-191,324.10-113,552.60

Finding the Fourth Proportional to 127,549.40, 191,324.10 and 113,552.60

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Solution

The fourth proportional to 127,549.40, 191,324.10 and 113,552.60 is: 170,328.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,549.40 : 191,324.10 = 113,552.60 : x
  2. Step 2: Convert to fraction form
    127,549.40/191,324.10 = 113,552.60/x
  3. Step 3: Cross multiply
    127,549.40x = 191,324.10 × 113,552.60
  4. Step 4: Simplify right side
    127,549.40x = 21,725,348,997.66
  5. Step 5: Solve for x
    x = 21,725,348,997.66/127,549.40
  6. Step 6: Final answer
    x = 170,328.90

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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.