Home / 175,145.05-261,757.94-127,859.73

Finding the Fourth Proportional to 175,145.05, 261,757.94 and 127,859.73

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Solution

The fourth proportional to 175,145.05, 261,757.94 and 127,859.73 is: 191,089.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,145.05 : 261,757.94 = 127,859.73 : x
  2. Step 2: Convert to fraction form
    175,145.05/261,757.94 = 127,859.73/x
  3. Step 3: Cross multiply
    175,145.05x = 261,757.94 × 127,859.73
  4. Step 4: Simplify right side
    175,145.05x = 33,468,299,533.76
  5. Step 5: Solve for x
    x = 33,468,299,533.76/175,145.05
  6. Step 6: Final answer
    x = 191,089.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.