Home / 339,966.48-509,719.66-190,310.06

Finding the Fourth Proportional to 339,966.48, 509,719.66 and 190,310.06

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Solution

The fourth proportional to 339,966.48, 509,719.66 and 190,310.06 is: 285,336.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,966.48 : 509,719.66 = 190,310.06 : x
  2. Step 2: Convert to fraction form
    339,966.48/509,719.66 = 190,310.06/x
  3. Step 3: Cross multiply
    339,966.48x = 509,719.66 × 190,310.06
  4. Step 4: Simplify right side
    339,966.48x = 97,004,779,077.78
  5. Step 5: Solve for x
    x = 97,004,779,077.78/339,966.48
  6. Step 6: Final answer
    x = 285,336.30

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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.