Home / 382,146.78-573,221.52-115,909.58

Finding the Fourth Proportional to 382,146.78, 573,221.52 and 115,909.58

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Solution

The fourth proportional to 382,146.78, 573,221.52 and 115,909.58 is: 173,864.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,146.78 : 573,221.52 = 115,909.58 : x
  2. Step 2: Convert to fraction form
    382,146.78/573,221.52 = 115,909.58/x
  3. Step 3: Cross multiply
    382,146.78x = 573,221.52 × 115,909.58
  4. Step 4: Simplify right side
    382,146.78x = 66,441,865,630.16
  5. Step 5: Solve for x
    x = 66,441,865,630.16/382,146.78
  6. Step 6: Final answer
    x = 173,864.78

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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.