Home / 222,976.42-307,707.66-127,485.10

Finding the Fourth Proportional to 222,976.42, 307,707.66 and 127,485.10

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Solution

The fourth proportional to 222,976.42, 307,707.66 and 127,485.10 is: 175,929.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,976.42 : 307,707.66 = 127,485.10 : x
  2. Step 2: Convert to fraction form
    222,976.42/307,707.66 = 127,485.10/x
  3. Step 3: Cross multiply
    222,976.42x = 307,707.66 × 127,485.10
  4. Step 4: Simplify right side
    222,976.42x = 39,228,141,805.87
  5. Step 5: Solve for x
    x = 39,228,141,805.87/222,976.42
  6. Step 6: Final answer
    x = 175,929.55

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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.