Home / 263,836.53-395,839.56-86,303.16

Finding the Fourth Proportional to 263,836.53, 395,839.56 and 86,303.16

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Solution

The fourth proportional to 263,836.53, 395,839.56 and 86,303.16 is: 129,482.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,836.53 : 395,839.56 = 86,303.16 : x
  2. Step 2: Convert to fraction form
    263,836.53/395,839.56 = 86,303.16/x
  3. Step 3: Cross multiply
    263,836.53x = 395,839.56 × 86,303.16
  4. Step 4: Simplify right side
    263,836.53x = 34,162,204,881.01
  5. Step 5: Solve for x
    x = 34,162,204,881.01/263,836.53
  6. Step 6: Final answer
    x = 129,482.47

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1.5x scale

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.