Home / 217,177.32-324,280.52-194,541.86

Finding the Fourth Proportional to 217,177.32, 324,280.52 and 194,541.86

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Solution

The fourth proportional to 217,177.32, 324,280.52 and 194,541.86 is: 290,482.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,177.32 : 324,280.52 = 194,541.86 : x
  2. Step 2: Convert to fraction form
    217,177.32/324,280.52 = 194,541.86/x
  3. Step 3: Cross multiply
    217,177.32x = 324,280.52 × 194,541.86
  4. Step 4: Simplify right side
    217,177.32x = 63,086,135,522.57
  5. Step 5: Solve for x
    x = 63,086,135,522.57/217,177.32
  6. Step 6: Final answer
    x = 290,482.15

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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.