Home / 266,458.72-367,708.68-145,597.36

Finding the Fourth Proportional to 266,458.72, 367,708.68 and 145,597.36

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Solution

The fourth proportional to 266,458.72, 367,708.68 and 145,597.36 is: 200,921.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,458.72 : 367,708.68 = 145,597.36 : x
  2. Step 2: Convert to fraction form
    266,458.72/367,708.68 = 145,597.36/x
  3. Step 3: Cross multiply
    266,458.72x = 367,708.68 × 145,597.36
  4. Step 4: Simplify right side
    266,458.72x = 53,537,413,057.08
  5. Step 5: Solve for x
    x = 53,537,413,057.08/266,458.72
  6. Step 6: Final answer
    x = 200,921.98

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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.