Home / 381,567.26-572,277.07-191,976.91

Finding the Fourth Proportional to 381,567.26, 572,277.07 and 191,976.91

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Solution

The fourth proportional to 381,567.26, 572,277.07 and 191,976.91 is: 287,928.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,567.26 : 572,277.07 = 191,976.91 : x
  2. Step 2: Convert to fraction form
    381,567.26/572,277.07 = 191,976.91/x
  3. Step 3: Cross multiply
    381,567.26x = 572,277.07 × 191,976.91
  4. Step 4: Simplify right side
    381,567.26x = 109,863,984,521.20
  5. Step 5: Solve for x
    x = 109,863,984,521.20/381,567.26
  6. Step 6: Final answer
    x = 287,928.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.