Home / 190,507.45-285,932.49-101,836.75

Finding the Fourth Proportional to 190,507.45, 285,932.49 and 101,836.75

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Solution

The fourth proportional to 190,507.45, 285,932.49 and 101,836.75 is: 152,846.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,507.45 : 285,932.49 = 101,836.75 : x
  2. Step 2: Convert to fraction form
    190,507.45/285,932.49 = 101,836.75/x
  3. Step 3: Cross multiply
    190,507.45x = 285,932.49 × 101,836.75
  4. Step 4: Simplify right side
    190,507.45x = 29,118,435,501.01
  5. Step 5: Solve for x
    x = 29,118,435,501.01/190,507.45
  6. Step 6: Final answer
    x = 152,846.70

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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.