Home / 266,162.25-367,304.49-145,303.55

Finding the Fourth Proportional to 266,162.25, 367,304.49 and 145,303.55

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Solution

The fourth proportional to 266,162.25, 367,304.49 and 145,303.55 is: 200,519.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,162.25 : 367,304.49 = 145,303.55 : x
  2. Step 2: Convert to fraction form
    266,162.25/367,304.49 = 145,303.55/x
  3. Step 3: Cross multiply
    266,162.25x = 367,304.49 × 145,303.55
  4. Step 4: Simplify right side
    266,162.25x = 53,370,644,491.42
  5. Step 5: Solve for x
    x = 53,370,644,491.42/266,162.25
  6. Step 6: Final answer
    x = 200,519.21

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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.