Home / 266,477.18-367,743.32-145,623.56

Finding the Fourth Proportional to 266,477.18, 367,743.32 and 145,623.56

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Solution

The fourth proportional to 266,477.18, 367,743.32 and 145,623.56 is: 200,963.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,477.18 : 367,743.32 = 145,623.56 : x
  2. Step 2: Convert to fraction form
    266,477.18/367,743.32 = 145,623.56/x
  3. Step 3: Cross multiply
    266,477.18x = 367,743.32 × 145,623.56
  4. Step 4: Simplify right side
    266,477.18x = 53,552,088,857.78
  5. Step 5: Solve for x
    x = 53,552,088,857.78/266,477.18
  6. Step 6: Final answer
    x = 200,963.14

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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.