Home / 222,890.32-307,589.57-127,400.23

Finding the Fourth Proportional to 222,890.32, 307,589.57 and 127,400.23

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Solution

The fourth proportional to 222,890.32, 307,589.57 and 127,400.23 is: 175,812.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,890.32 : 307,589.57 = 127,400.23 : x
  2. Step 2: Convert to fraction form
    222,890.32/307,589.57 = 127,400.23/x
  3. Step 3: Cross multiply
    222,890.32x = 307,589.57 × 127,400.23
  4. Step 4: Simplify right side
    222,890.32x = 39,186,981,963.60
  5. Step 5: Solve for x
    x = 39,186,981,963.60/222,890.32
  6. Step 6: Final answer
    x = 175,812.85

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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.