Home / 231,335.10-347,002.65-191,969.10

Finding the Fourth Proportional to 231,335.10, 347,002.65 and 191,969.10

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Solution

The fourth proportional to 231,335.10, 347,002.65 and 191,969.10 is: 287,953.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,335.10 : 347,002.65 = 191,969.10 : x
  2. Step 2: Convert to fraction form
    231,335.10/347,002.65 = 191,969.10/x
  3. Step 3: Cross multiply
    231,335.10x = 347,002.65 × 191,969.10
  4. Step 4: Simplify right side
    231,335.10x = 66,613,786,418.12
  5. Step 5: Solve for x
    x = 66,613,786,418.12/231,335.10
  6. Step 6: Final answer
    x = 287,953.65

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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.