Home / 217,176.32-324,279.03-194,540.86

Finding the Fourth Proportional to 217,176.32, 324,279.03 and 194,540.86

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Solution

The fourth proportional to 217,176.32, 324,279.03 and 194,540.86 is: 290,480.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,176.32 : 324,279.03 = 194,540.86 : x
  2. Step 2: Convert to fraction form
    217,176.32/324,279.03 = 194,540.86/x
  3. Step 3: Cross multiply
    217,176.32x = 324,279.03 × 194,540.86
  4. Step 4: Simplify right side
    217,176.32x = 63,085,521,376.17
  5. Step 5: Solve for x
    x = 63,085,521,376.17/217,176.32
  6. Step 6: Final answer
    x = 290,480.66

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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.