Home / 126,881.55-175,056.75-73,159.29

Finding the Fourth Proportional to 126,881.55, 175,056.75 and 73,159.29

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Solution

The fourth proportional to 126,881.55, 175,056.75 and 73,159.29 is: 100,936.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,881.55 : 175,056.75 = 73,159.29 : x
  2. Step 2: Convert to fraction form
    126,881.55/175,056.75 = 73,159.29/x
  3. Step 3: Cross multiply
    126,881.55x = 175,056.75 × 73,159.29
  4. Step 4: Simplify right side
    126,881.55x = 12,807,027,539.71
  5. Step 5: Solve for x
    x = 12,807,027,539.71/126,881.55
  6. Step 6: Final answer
    x = 100,936.88

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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.