Home / 331,257.72-457,146.90-186,089.12

Finding the Fourth Proportional to 331,257.72, 457,146.90 and 186,089.12

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Solution

The fourth proportional to 331,257.72, 457,146.90 and 186,089.12 is: 256,809.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,257.72 : 457,146.90 = 186,089.12 : x
  2. Step 2: Convert to fraction form
    331,257.72/457,146.90 = 186,089.12/x
  3. Step 3: Cross multiply
    331,257.72x = 457,146.90 × 186,089.12
  4. Step 4: Simplify right side
    331,257.72x = 85,070,064,331.73
  5. Step 5: Solve for x
    x = 85,070,064,331.73/331,257.72
  6. Step 6: Final answer
    x = 256,809.30

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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.