Home / 127,260.60-175,541.10-81,923.64

Finding the Fourth Proportional to 127,260.60, 175,541.10 and 81,923.64

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Solution

The fourth proportional to 127,260.60, 175,541.10 and 81,923.64 is: 113,004.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,260.60 : 175,541.10 = 81,923.64 : x
  2. Step 2: Convert to fraction form
    127,260.60/175,541.10 = 81,923.64/x
  3. Step 3: Cross multiply
    127,260.60x = 175,541.10 × 81,923.64
  4. Step 4: Simplify right side
    127,260.60x = 14,380,965,881.60
  5. Step 5: Solve for x
    x = 14,380,965,881.60/127,260.60
  6. Step 6: Final answer
    x = 113,004.07

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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.