Home / 127,261.44-175,809.42-83,756.57

Finding the Fourth Proportional to 127,261.44, 175,809.42 and 83,756.57

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Solution

The fourth proportional to 127,261.44, 175,809.42 and 83,756.57 is: 115,708.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,261.44 : 175,809.42 = 83,756.57 : x
  2. Step 2: Convert to fraction form
    127,261.44/175,809.42 = 83,756.57/x
  3. Step 3: Cross multiply
    127,261.44x = 175,809.42 × 83,756.57
  4. Step 4: Simplify right side
    127,261.44x = 14,725,193,113.84
  5. Step 5: Solve for x
    x = 14,725,193,113.84/127,261.44
  6. Step 6: Final answer
    x = 115,708.21

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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.