Home / 104,156.14-143,725.20-58,207.30

Finding the Fourth Proportional to 104,156.14, 143,725.20 and 58,207.30

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Solution

The fourth proportional to 104,156.14, 143,725.20 and 58,207.30 is: 80,320.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,156.14 : 143,725.20 = 58,207.30 : x
  2. Step 2: Convert to fraction form
    104,156.14/143,725.20 = 58,207.30/x
  3. Step 3: Cross multiply
    104,156.14x = 143,725.20 × 58,207.30
  4. Step 4: Simplify right side
    104,156.14x = 8,365,855,833.96
  5. Step 5: Solve for x
    x = 8,365,855,833.96/104,156.14
  6. Step 6: Final answer
    x = 80,320.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.