Home / 227,555.10-341,613.45-143,315.10

Finding the Fourth Proportional to 227,555.10, 341,613.45 and 143,315.10

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Solution

The fourth proportional to 227,555.10, 341,613.45 and 143,315.10 is: 215,149.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,555.10 : 341,613.45 = 143,315.10 : x
  2. Step 2: Convert to fraction form
    227,555.10/341,613.45 = 143,315.10/x
  3. Step 3: Cross multiply
    227,555.10x = 341,613.45 × 143,315.10
  4. Step 4: Simplify right side
    227,555.10x = 48,958,365,748.10
  5. Step 5: Solve for x
    x = 48,958,365,748.10/227,555.10
  6. Step 6: Final answer
    x = 215,149.50

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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.