Home / 339,746.22-509,619.42-99,860.16

Finding the Fourth Proportional to 339,746.22, 509,619.42 and 99,860.16

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Solution

The fourth proportional to 339,746.22, 509,619.42 and 99,860.16 is: 149,790.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,746.22 : 509,619.42 = 99,860.16 : x
  2. Step 2: Convert to fraction form
    339,746.22/509,619.42 = 99,860.16/x
  3. Step 3: Cross multiply
    339,746.22x = 509,619.42 × 99,860.16
  4. Step 4: Simplify right side
    339,746.22x = 50,890,676,820.31
  5. Step 5: Solve for x
    x = 50,890,676,820.31/339,746.22
  6. Step 6: Final answer
    x = 149,790.27

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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.