Home / 125,209.05-187,825.20-45,267.03

Finding the Fourth Proportional to 125,209.05, 187,825.20 and 45,267.03

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Solution

The fourth proportional to 125,209.05, 187,825.20 and 45,267.03 is: 67,904.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,209.05 : 187,825.20 = 45,267.03 : x
  2. Step 2: Convert to fraction form
    125,209.05/187,825.20 = 45,267.03/x
  3. Step 3: Cross multiply
    125,209.05x = 187,825.20 × 45,267.03
  4. Step 4: Simplify right side
    125,209.05x = 8,502,288,360.63
  5. Step 5: Solve for x
    x = 8,502,288,360.63/125,209.05
  6. Step 6: Final answer
    x = 67,904.74

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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.