Home / 285,527.12-394,027.38-170,810.60

Finding the Fourth Proportional to 285,527.12, 394,027.38 and 170,810.60

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Solution

The fourth proportional to 285,527.12, 394,027.38 and 170,810.60 is: 235,718.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,527.12 : 394,027.38 = 170,810.60 : x
  2. Step 2: Convert to fraction form
    285,527.12/394,027.38 = 170,810.60/x
  3. Step 3: Cross multiply
    285,527.12x = 394,027.38 × 170,810.60
  4. Step 4: Simplify right side
    285,527.12x = 67,304,051,224.09
  5. Step 5: Solve for x
    x = 67,304,051,224.09/285,527.12
  6. Step 6: Final answer
    x = 235,718.60

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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.