Home / 331,257.22-457,146.20-186,088.61

Finding the Fourth Proportional to 331,257.22, 457,146.20 and 186,088.61

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Solution

The fourth proportional to 331,257.22, 457,146.20 and 186,088.61 is: 256,808.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,257.22 : 457,146.20 = 186,088.61 : x
  2. Step 2: Convert to fraction form
    331,257.22/457,146.20 = 186,088.61/x
  3. Step 3: Cross multiply
    331,257.22x = 457,146.20 × 186,088.61
  4. Step 4: Simplify right side
    331,257.22x = 85,069,702,532.87
  5. Step 5: Solve for x
    x = 85,069,702,532.87/331,257.22
  6. Step 6: Final answer
    x = 256,808.60

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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.