Home / 127,370.88-175,586.56-89,011.33

Finding the Fourth Proportional to 127,370.88, 175,586.56 and 89,011.33

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Solution

The fourth proportional to 127,370.88, 175,586.56 and 89,011.33 is: 122,706.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,370.88 : 175,586.56 = 89,011.33 : x
  2. Step 2: Convert to fraction form
    127,370.88/175,586.56 = 89,011.33/x
  3. Step 3: Cross multiply
    127,370.88x = 175,586.56 × 89,011.33
  4. Step 4: Simplify right side
    127,370.88x = 15,629,192,574.23
  5. Step 5: Solve for x
    x = 15,629,192,574.23/127,370.88
  6. Step 6: Final answer
    x = 122,706.17

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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.