Home / 103,174.68-142,406.34-62,910.60

Finding the Fourth Proportional to 103,174.68, 142,406.34 and 62,910.60

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Solution

The fourth proportional to 103,174.68, 142,406.34 and 62,910.60 is: 86,832.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,174.68 : 142,406.34 = 62,910.60 : x
  2. Step 2: Convert to fraction form
    103,174.68/142,406.34 = 62,910.60/x
  3. Step 3: Cross multiply
    103,174.68x = 142,406.34 × 62,910.60
  4. Step 4: Simplify right side
    103,174.68x = 8,958,868,293.20
  5. Step 5: Solve for x
    x = 8,958,868,293.20/103,174.68
  6. Step 6: Final answer
    x = 86,832.04

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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.