Home / 125,421.12-188,093.76-50,517.12

Finding the Fourth Proportional to 125,421.12, 188,093.76 and 50,517.12

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Solution

The fourth proportional to 125,421.12, 188,093.76 and 50,517.12 is: 75,760.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,421.12 : 188,093.76 = 50,517.12 : x
  2. Step 2: Convert to fraction form
    125,421.12/188,093.76 = 50,517.12/x
  3. Step 3: Cross multiply
    125,421.12x = 188,093.76 × 50,517.12
  4. Step 4: Simplify right side
    125,421.12x = 9,501,955,045.17
  5. Step 5: Solve for x
    x = 9,501,955,045.17/125,421.12
  6. Step 6: Final answer
    x = 75,760.41

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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.