Home / 266,340.64-367,628.88-153,243.04

Finding the Fourth Proportional to 266,340.64, 367,628.88 and 153,243.04

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Solution

The fourth proportional to 266,340.64, 367,628.88 and 153,243.04 is: 211,520.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,340.64 : 367,628.88 = 153,243.04 : x
  2. Step 2: Convert to fraction form
    266,340.64/367,628.88 = 153,243.04/x
  3. Step 3: Cross multiply
    266,340.64x = 367,628.88 × 153,243.04
  4. Step 4: Simplify right side
    266,340.64x = 56,336,567,163.00
  5. Step 5: Solve for x
    x = 56,336,567,163.00/266,340.64
  6. Step 6: Final answer
    x = 211,520.73

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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.