Home / 285,938.35-394,642.23-158,654.95

Finding the Fourth Proportional to 285,938.35, 394,642.23 and 158,654.95

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Solution

The fourth proportional to 285,938.35, 394,642.23 and 158,654.95 is: 218,970.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,938.35 : 394,642.23 = 158,654.95 : x
  2. Step 2: Convert to fraction form
    285,938.35/394,642.23 = 158,654.95/x
  3. Step 3: Cross multiply
    285,938.35x = 394,642.23 × 158,654.95
  4. Step 4: Simplify right side
    285,938.35x = 62,611,941,686.98
  5. Step 5: Solve for x
    x = 62,611,941,686.98/285,938.35
  6. Step 6: Final answer
    x = 218,970.08

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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.