Home / 316,093.64-436,209.03-172,853.69

Finding the Fourth Proportional to 316,093.64, 436,209.03 and 172,853.69

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Solution

The fourth proportional to 316,093.64, 436,209.03 and 172,853.69 is: 238,537.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,093.64 : 436,209.03 = 172,853.69 : x
  2. Step 2: Convert to fraction form
    316,093.64/436,209.03 = 172,853.69/x
  3. Step 3: Cross multiply
    316,093.64x = 436,209.03 × 172,853.69
  4. Step 4: Simplify right side
    316,093.64x = 75,400,340,446.82
  5. Step 5: Solve for x
    x = 75,400,340,446.82/316,093.64
  6. Step 6: Final answer
    x = 238,537.99

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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.