Home / 339,664.67-509,496.68-86,944.76

Finding the Fourth Proportional to 339,664.67, 509,496.68 and 86,944.76

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Solution

The fourth proportional to 339,664.67, 509,496.68 and 86,944.76 is: 130,417.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,664.67 : 509,496.68 = 86,944.76 : x
  2. Step 2: Convert to fraction form
    339,664.67/509,496.68 = 86,944.76/x
  3. Step 3: Cross multiply
    339,664.67x = 509,496.68 × 86,944.76
  4. Step 4: Simplify right side
    339,664.67x = 44,298,063,581.19
  5. Step 5: Solve for x
    x = 44,298,063,581.19/339,664.67
  6. Step 6: Final answer
    x = 130,417.05

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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.