Home / 222,927.35-307,639.73-127,436.18

Finding the Fourth Proportional to 222,927.35, 307,639.73 and 127,436.18

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Solution

The fourth proportional to 222,927.35, 307,639.73 and 127,436.18 is: 175,861.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,927.35 : 307,639.73 = 127,436.18 : x
  2. Step 2: Convert to fraction form
    222,927.35/307,639.73 = 127,436.18/x
  3. Step 3: Cross multiply
    222,927.35x = 307,639.73 × 127,436.18
  4. Step 4: Simplify right side
    222,927.35x = 39,204,431,370.25
  5. Step 5: Solve for x
    x = 39,204,431,370.25/222,927.35
  6. Step 6: Final answer
    x = 175,861.92

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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.