Home / 304,845.88-420,647.42-175,789.12

Finding the Fourth Proportional to 304,845.88, 420,647.42 and 175,789.12

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Solution

The fourth proportional to 304,845.88, 420,647.42 and 175,789.12 is: 242,565.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,845.88 : 420,647.42 = 175,789.12 : x
  2. Step 2: Convert to fraction form
    304,845.88/420,647.42 = 175,789.12/x
  3. Step 3: Cross multiply
    304,845.88x = 420,647.42 × 175,789.12
  4. Step 4: Simplify right side
    304,845.88x = 73,945,239,792.07
  5. Step 5: Solve for x
    x = 73,945,239,792.07/304,845.88
  6. Step 6: Final answer
    x = 242,565.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.