Home / 222,925.56-307,627.53-127,438.40

Finding the Fourth Proportional to 222,925.56, 307,627.53 and 127,438.40

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Solution

The fourth proportional to 222,925.56, 307,627.53 and 127,438.40 is: 175,859.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,925.56 : 307,627.53 = 127,438.40 : x
  2. Step 2: Convert to fraction form
    222,925.56/307,627.53 = 127,438.40/x
  3. Step 3: Cross multiply
    222,925.56x = 307,627.53 × 127,438.40
  4. Step 4: Simplify right side
    222,925.56x = 39,203,560,219.15
  5. Step 5: Solve for x
    x = 39,203,560,219.15/222,925.56
  6. Step 6: Final answer
    x = 175,859.42

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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.