Home / 313,285.98-432,231.75-177,306.42

Finding the Fourth Proportional to 313,285.98, 432,231.75 and 177,306.42

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Solution

The fourth proportional to 313,285.98, 432,231.75 and 177,306.42 is: 244,624.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,285.98 : 432,231.75 = 177,306.42 : x
  2. Step 2: Convert to fraction form
    313,285.98/432,231.75 = 177,306.42/x
  3. Step 3: Cross multiply
    313,285.98x = 432,231.75 × 177,306.42
  4. Step 4: Simplify right side
    313,285.98x = 76,637,464,202.84
  5. Step 5: Solve for x
    x = 76,637,464,202.84/313,285.98
  6. Step 6: Final answer
    x = 244,624.62

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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.