Home / 190,593.61-285,529.56-127,222.65

Finding the Fourth Proportional to 190,593.61, 285,529.56 and 127,222.65

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Solution

The fourth proportional to 190,593.61, 285,529.56 and 127,222.65 is: 190,593.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,593.61 : 285,529.56 = 127,222.65 : x
  2. Step 2: Convert to fraction form
    190,593.61/285,529.56 = 127,222.65/x
  3. Step 3: Cross multiply
    190,593.61x = 285,529.56 × 127,222.65
  4. Step 4: Simplify right side
    190,593.61x = 36,325,826,799.45
  5. Step 5: Solve for x
    x = 36,325,826,799.45/190,593.61
  6. Step 6: Final answer
    x = 190,593.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.