Home / 382,080.72-527,319.88-231,178.96

Finding the Fourth Proportional to 382,080.72, 527,319.88 and 231,178.96

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Solution

The fourth proportional to 382,080.72, 527,319.88 and 231,178.96 is: 319,056.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,080.72 : 527,319.88 = 231,178.96 : x
  2. Step 2: Convert to fraction form
    382,080.72/527,319.88 = 231,178.96/x
  3. Step 3: Cross multiply
    382,080.72x = 527,319.88 × 231,178.96
  4. Step 4: Simplify right side
    382,080.72x = 121,905,261,445.73
  5. Step 5: Solve for x
    x = 121,905,261,445.73/382,080.72
  6. Step 6: Final answer
    x = 319,056.30

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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.