Home / 222,561.45-307,241.25-127,049.70

Finding the Fourth Proportional to 222,561.45, 307,241.25 and 127,049.70

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Solution

The fourth proportional to 222,561.45, 307,241.25 and 127,049.70 is: 175,389.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,561.45 : 307,241.25 = 127,049.70 : x
  2. Step 2: Convert to fraction form
    222,561.45/307,241.25 = 127,049.70/x
  3. Step 3: Cross multiply
    222,561.45x = 307,241.25 × 127,049.70
  4. Step 4: Simplify right side
    222,561.45x = 39,034,908,640.13
  5. Step 5: Solve for x
    x = 39,034,908,640.13/222,561.45
  6. Step 6: Final answer
    x = 175,389.35

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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.