Home / 203,178.40-304,776.24-62,939.68

Finding the Fourth Proportional to 203,178.40, 304,776.24 and 62,939.68

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Solution

The fourth proportional to 203,178.40, 304,776.24 and 62,939.68 is: 94,412.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,178.40 : 304,776.24 = 62,939.68 : x
  2. Step 2: Convert to fraction form
    203,178.40/304,776.24 = 62,939.68/x
  3. Step 3: Cross multiply
    203,178.40x = 304,776.24 × 62,939.68
  4. Step 4: Simplify right side
    203,178.40x = 19,182,519,017.20
  5. Step 5: Solve for x
    x = 19,182,519,017.20/203,178.40
  6. Step 6: Final answer
    x = 94,412.20

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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.