Home / 353,584.19-487,944.72-192,439.22

Finding the Fourth Proportional to 353,584.19, 487,944.72 and 192,439.22

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Solution

The fourth proportional to 353,584.19, 487,944.72 and 192,439.22 is: 265,565.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,584.19 : 487,944.72 = 192,439.22 : x
  2. Step 2: Convert to fraction form
    353,584.19/487,944.72 = 192,439.22/x
  3. Step 3: Cross multiply
    353,584.19x = 487,944.72 × 192,439.22
  4. Step 4: Simplify right side
    353,584.19x = 93,899,698,880.19
  5. Step 5: Solve for x
    x = 93,899,698,880.19/353,584.19
  6. Step 6: Final answer
    x = 265,565.32

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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.