Home / 268,132.80-402,199.20-173,654.40

Finding the Fourth Proportional to 268,132.80, 402,199.20 and 173,654.40

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Solution

The fourth proportional to 268,132.80, 402,199.20 and 173,654.40 is: 260,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,132.80 : 402,199.20 = 173,654.40 : x
  2. Step 2: Convert to fraction form
    268,132.80/402,199.20 = 173,654.40/x
  3. Step 3: Cross multiply
    268,132.80x = 402,199.20 × 173,654.40
  4. Step 4: Simplify right side
    268,132.80x = 69,843,660,756.48
  5. Step 5: Solve for x
    x = 69,843,660,756.48/268,132.80
  6. Step 6: Final answer
    x = 260,481.60

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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.