Home / 127,797.84-176,436.36-80,116.56

Finding the Fourth Proportional to 127,797.84, 176,436.36 and 80,116.56

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Solution

The fourth proportional to 127,797.84, 176,436.36 and 80,116.56 is: 110,608.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,797.84 : 176,436.36 = 80,116.56 : x
  2. Step 2: Convert to fraction form
    127,797.84/176,436.36 = 80,116.56/x
  3. Step 3: Cross multiply
    127,797.84x = 176,436.36 × 80,116.56
  4. Step 4: Simplify right side
    127,797.84x = 14,135,474,222.12
  5. Step 5: Solve for x
    x = 14,135,474,222.12/127,797.84
  6. Step 6: Final answer
    x = 110,608.08

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1.5x scale

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.