Home / 217,175.32-324,277.54-194,539.86

Finding the Fourth Proportional to 217,175.32, 324,277.54 and 194,539.86

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Solution

The fourth proportional to 217,175.32, 324,277.54 and 194,539.86 is: 290,479.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,175.32 : 324,277.54 = 194,539.86 : x
  2. Step 2: Convert to fraction form
    217,175.32/324,277.54 = 194,539.86/x
  3. Step 3: Cross multiply
    217,175.32x = 324,277.54 × 194,539.86
  4. Step 4: Simplify right side
    217,175.32x = 63,084,907,232.74
  5. Step 5: Solve for x
    x = 63,084,907,232.74/217,175.32
  6. Step 6: Final answer
    x = 290,479.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.