Home / 316,443.36-436,691.11-173,202.15

Finding the Fourth Proportional to 316,443.36, 436,691.11 and 173,202.15

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Solution

The fourth proportional to 316,443.36, 436,691.11 and 173,202.15 is: 239,018.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,443.36 : 436,691.11 = 173,202.15 : x
  2. Step 2: Convert to fraction form
    316,443.36/436,691.11 = 173,202.15/x
  3. Step 3: Cross multiply
    316,443.36x = 436,691.11 × 173,202.15
  4. Step 4: Simplify right side
    316,443.36x = 75,635,839,137.89
  5. Step 5: Solve for x
    x = 75,635,839,137.89/316,443.36
  6. Step 6: Final answer
    x = 239,018.57

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1.5x scale

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.