Home / 127,681.31-176,201.43-71,093.90

Finding the Fourth Proportional to 127,681.31, 176,201.43 and 71,093.90

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Solution

The fourth proportional to 127,681.31, 176,201.43 and 71,093.90 is: 98,110.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,681.31 : 176,201.43 = 71,093.90 : x
  2. Step 2: Convert to fraction form
    127,681.31/176,201.43 = 71,093.90/x
  3. Step 3: Cross multiply
    127,681.31x = 176,201.43 × 71,093.90
  4. Step 4: Simplify right side
    127,681.31x = 12,526,847,018.18
  5. Step 5: Solve for x
    x = 12,526,847,018.18/127,681.31
  6. Step 6: Final answer
    x = 98,110.26

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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.