Home / 129,028.54-193,493.45-42,454.25

Finding the Fourth Proportional to 129,028.54, 193,493.45 and 42,454.25

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Solution

The fourth proportional to 129,028.54, 193,493.45 and 42,454.25 is: 63,665.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,028.54 : 193,493.45 = 42,454.25 : x
  2. Step 2: Convert to fraction form
    129,028.54/193,493.45 = 42,454.25/x
  3. Step 3: Cross multiply
    129,028.54x = 193,493.45 × 42,454.25
  4. Step 4: Simplify right side
    129,028.54x = 8,214,619,299.66
  5. Step 5: Solve for x
    x = 8,214,619,299.66/129,028.54
  6. Step 6: Final answer
    x = 63,665.13

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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.