Home / 195,783.91-293,807.09-125,712.43

Finding the Fourth Proportional to 195,783.91, 293,807.09 and 125,712.43

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Solution

The fourth proportional to 195,783.91, 293,807.09 and 125,712.43 is: 188,652.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,783.91 : 293,807.09 = 125,712.43 : x
  2. Step 2: Convert to fraction form
    195,783.91/293,807.09 = 125,712.43/x
  3. Step 3: Cross multiply
    195,783.91x = 293,807.09 × 125,712.43
  4. Step 4: Simplify right side
    195,783.91x = 36,935,202,814.89
  5. Step 5: Solve for x
    x = 36,935,202,814.89/195,783.91
  6. Step 6: Final answer
    x = 188,652.90

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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.