Home / 336,948.31-505,387.77-112,284.46

Finding the Fourth Proportional to 336,948.31, 505,387.77 and 112,284.46

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Solution

The fourth proportional to 336,948.31, 505,387.77 and 112,284.46 is: 168,415.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,948.31 : 505,387.77 = 112,284.46 : x
  2. Step 2: Convert to fraction form
    336,948.31/505,387.77 = 112,284.46/x
  3. Step 3: Cross multiply
    336,948.31x = 505,387.77 × 112,284.46
  4. Step 4: Simplify right side
    336,948.31x = 56,747,192,845.05
  5. Step 5: Solve for x
    x = 56,747,192,845.05/336,948.31
  6. Step 6: Final answer
    x = 168,415.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.