Home / 125,194.55-187,789.27-30,425.26

Finding the Fourth Proportional to 125,194.55, 187,789.27 and 30,425.26

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Solution

The fourth proportional to 125,194.55, 187,789.27 and 30,425.26 is: 45,637.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,194.55 : 187,789.27 = 30,425.26 : x
  2. Step 2: Convert to fraction form
    125,194.55/187,789.27 = 30,425.26/x
  3. Step 3: Cross multiply
    125,194.55x = 187,789.27 × 30,425.26
  4. Step 4: Simplify right side
    125,194.55x = 5,713,537,364.96
  5. Step 5: Solve for x
    x = 5,713,537,364.96/125,194.55
  6. Step 6: Final answer
    x = 45,637.27

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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.