Home / 316,399.16-436,788.78-182,237.24

Finding the Fourth Proportional to 316,399.16, 436,788.78 and 182,237.24

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Solution

The fourth proportional to 316,399.16, 436,788.78 and 182,237.24 is: 251,578.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,399.16 : 436,788.78 = 182,237.24 : x
  2. Step 2: Convert to fraction form
    316,399.16/436,788.78 = 182,237.24/x
  3. Step 3: Cross multiply
    316,399.16x = 436,788.78 × 182,237.24
  4. Step 4: Simplify right side
    316,399.16x = 79,599,181,730.17
  5. Step 5: Solve for x
    x = 79,599,181,730.17/316,399.16
  6. Step 6: Final answer
    x = 251,578.36

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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.