Home / 263,599.45-363,766.58-142,740.73

Finding the Fourth Proportional to 263,599.45, 363,766.58 and 142,740.73

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Solution

The fourth proportional to 263,599.45, 363,766.58 and 142,740.73 is: 196,981.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,599.45 : 363,766.58 = 142,740.73 : x
  2. Step 2: Convert to fraction form
    263,599.45/363,766.58 = 142,740.73/x
  3. Step 3: Cross multiply
    263,599.45x = 363,766.58 × 142,740.73
  4. Step 4: Simplify right side
    263,599.45x = 51,924,306,465.10
  5. Step 5: Solve for x
    x = 51,924,306,465.10/263,599.45
  6. Step 6: Final answer
    x = 196,981.85

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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.