Home / 185,725.18-256,323.41-109,240.63

Finding the Fourth Proportional to 185,725.18, 256,323.41 and 109,240.63

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Solution

The fourth proportional to 185,725.18, 256,323.41 and 109,240.63 is: 150,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,725.18 : 256,323.41 = 109,240.63 : x
  2. Step 2: Convert to fraction form
    185,725.18/256,323.41 = 109,240.63/x
  3. Step 3: Cross multiply
    185,725.18x = 256,323.41 × 109,240.63
  4. Step 4: Simplify right side
    185,725.18x = 28,000,930,792.15
  5. Step 5: Solve for x
    x = 28,000,930,792.15/185,725.18
  6. Step 6: Final answer
    x = 150,765.40

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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.