Home / 339,823.57-509,626.40-112,068.06

Finding the Fourth Proportional to 339,823.57, 509,626.40 and 112,068.06

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Solution

The fourth proportional to 339,823.57, 509,626.40 and 112,068.06 is: 168,066.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,823.57 : 509,626.40 = 112,068.06 : x
  2. Step 2: Convert to fraction form
    339,823.57/509,626.40 = 112,068.06/x
  3. Step 3: Cross multiply
    339,823.57x = 509,626.40 × 112,068.06
  4. Step 4: Simplify right side
    339,823.57x = 57,112,840,131.73
  5. Step 5: Solve for x
    x = 57,112,840,131.73/339,823.57
  6. Step 6: Final answer
    x = 168,066.15

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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.