Home / 331,301.85-457,184.08-202,455.77

Finding the Fourth Proportional to 331,301.85, 457,184.08 and 202,455.77

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Solution

The fourth proportional to 331,301.85, 457,184.08 and 202,455.77 is: 279,381.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,301.85 : 457,184.08 = 202,455.77 : x
  2. Step 2: Convert to fraction form
    331,301.85/457,184.08 = 202,455.77/x
  3. Step 3: Cross multiply
    331,301.85x = 457,184.08 × 202,455.77
  4. Step 4: Simplify right side
    331,301.85x = 92,559,554,948.14
  5. Step 5: Solve for x
    x = 92,559,554,948.14/331,301.85
  6. Step 6: Final answer
    x = 279,381.34

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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.