Home / 339,664.67-509,496.67-86,944.75

Finding the Fourth Proportional to 339,664.67, 509,496.67 and 86,944.75

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Solution

The fourth proportional to 339,664.67, 509,496.67 and 86,944.75 is: 130,417.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,664.67 : 509,496.67 = 86,944.75 : x
  2. Step 2: Convert to fraction form
    339,664.67/509,496.67 = 86,944.75/x
  3. Step 3: Cross multiply
    339,664.67x = 509,496.67 × 86,944.75
  4. Step 4: Simplify right side
    339,664.67x = 44,298,060,598.98
  5. Step 5: Solve for x
    x = 44,298,060,598.98/339,664.67
  6. Step 6: Final answer
    x = 130,417.04

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1.5x scale

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.