Home / 127,113.94-175,416.76-69,754.21

Finding the Fourth Proportional to 127,113.94, 175,416.76 and 69,754.21

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Solution

The fourth proportional to 127,113.94, 175,416.76 and 69,754.21 is: 96,260.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,113.94 : 175,416.76 = 69,754.21 : x
  2. Step 2: Convert to fraction form
    127,113.94/175,416.76 = 69,754.21/x
  3. Step 3: Cross multiply
    127,113.94x = 175,416.76 × 69,754.21
  4. Step 4: Simplify right side
    127,113.94x = 12,236,057,757.56
  5. Step 5: Solve for x
    x = 12,236,057,757.56/127,113.94
  6. Step 6: Final answer
    x = 96,260.55

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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.