Home / 266,021.22-367,097.86-145,159.50

Finding the Fourth Proportional to 266,021.22, 367,097.86 and 145,159.50

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Solution

The fourth proportional to 266,021.22, 367,097.86 and 145,159.50 is: 200,313.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,021.22 : 367,097.86 = 145,159.50 : x
  2. Step 2: Convert to fraction form
    266,021.22/367,097.86 = 145,159.50/x
  3. Step 3: Cross multiply
    266,021.22x = 367,097.86 × 145,159.50
  4. Step 4: Simplify right side
    266,021.22x = 53,287,741,808.67
  5. Step 5: Solve for x
    x = 53,287,741,808.67/266,021.22
  6. Step 6: Final answer
    x = 200,313.88

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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.