Home / 227,655.10-341,763.45-143,415.10

Finding the Fourth Proportional to 227,655.10, 341,763.45 and 143,415.10

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Solution

The fourth proportional to 227,655.10, 341,763.45 and 143,415.10 is: 215,299.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,655.10 : 341,763.45 = 143,415.10 : x
  2. Step 2: Convert to fraction form
    227,655.10/341,763.45 = 143,415.10/x
  3. Step 3: Cross multiply
    227,655.10x = 341,763.45 × 143,415.10
  4. Step 4: Simplify right side
    227,655.10x = 49,014,039,358.10
  5. Step 5: Solve for x
    x = 49,014,039,358.10/227,655.10
  6. Step 6: Final answer
    x = 215,299.54

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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.