Home / 170,821.11-256,205.38-56,970.92

Finding the Fourth Proportional to 170,821.11, 256,205.38 and 56,970.92

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Solution

The fourth proportional to 170,821.11, 256,205.38 and 56,970.92 is: 85,447.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,821.11 : 256,205.38 = 56,970.92 : x
  2. Step 2: Convert to fraction form
    170,821.11/256,205.38 = 56,970.92/x
  3. Step 3: Cross multiply
    170,821.11x = 256,205.38 × 56,970.92
  4. Step 4: Simplify right side
    170,821.11x = 14,596,256,207.55
  5. Step 5: Solve for x
    x = 14,596,256,207.55/170,821.11
  6. Step 6: Final answer
    x = 85,447.61

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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.