Home / 285,961.04-394,673.54-158,677.64

Finding the Fourth Proportional to 285,961.04, 394,673.54 and 158,677.64

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Solution

The fourth proportional to 285,961.04, 394,673.54 and 158,677.64 is: 219,001.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,961.04 : 394,673.54 = 158,677.64 : x
  2. Step 2: Convert to fraction form
    285,961.04/394,673.54 = 158,677.64/x
  3. Step 3: Cross multiply
    285,961.04x = 394,673.54 × 158,677.64
  4. Step 4: Simplify right side
    285,961.04x = 62,625,863,130.89
  5. Step 5: Solve for x
    x = 62,625,863,130.89/285,961.04
  6. Step 6: Final answer
    x = 219,001.39

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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.