Home / 409,861.03-614,927.56-125,554.37

Finding the Fourth Proportional to 409,861.03, 614,927.56 and 125,554.37

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Solution

The fourth proportional to 409,861.03, 614,927.56 and 125,554.37 is: 188,373.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,861.03 : 614,927.56 = 125,554.37 : x
  2. Step 2: Convert to fraction form
    409,861.03/614,927.56 = 125,554.37/x
  3. Step 3: Cross multiply
    409,861.03x = 614,927.56 × 125,554.37
  4. Step 4: Simplify right side
    409,861.03x = 77,206,839,238.33
  5. Step 5: Solve for x
    x = 77,206,839,238.33/409,861.03
  6. Step 6: Final answer
    x = 188,373.21

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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.