Home / 332,490.30-458,839.55-189,259.57

Finding the Fourth Proportional to 332,490.30, 458,839.55 and 189,259.57

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Solution

The fourth proportional to 332,490.30, 458,839.55 and 189,259.57 is: 261,179.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,490.30 : 458,839.55 = 189,259.57 : x
  2. Step 2: Convert to fraction form
    332,490.30/458,839.55 = 189,259.57/x
  3. Step 3: Cross multiply
    332,490.30x = 458,839.55 × 189,259.57
  4. Step 4: Simplify right side
    332,490.30x = 86,839,773,637.80
  5. Step 5: Solve for x
    x = 86,839,773,637.80/332,490.30
  6. Step 6: Final answer
    x = 261,179.87

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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.