Home / 231,845.10-347,998.05-113,649.90

Finding the Fourth Proportional to 231,845.10, 347,998.05 and 113,649.90

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Solution

The fourth proportional to 231,845.10, 347,998.05 and 113,649.90 is: 170,587.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,845.10 : 347,998.05 = 113,649.90 : x
  2. Step 2: Convert to fraction form
    231,845.10/347,998.05 = 113,649.90/x
  3. Step 3: Cross multiply
    231,845.10x = 347,998.05 × 113,649.90
  4. Step 4: Simplify right side
    231,845.10x = 39,549,943,582.70
  5. Step 5: Solve for x
    x = 39,549,943,582.70/231,845.10
  6. Step 6: Final answer
    x = 170,587.79

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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.