Home / 282,311.60-389,566.86-154,982.84

Finding the Fourth Proportional to 282,311.60, 389,566.86 and 154,982.84

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Solution

The fourth proportional to 282,311.60, 389,566.86 and 154,982.84 is: 213,863.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,311.60 : 389,566.86 = 154,982.84 : x
  2. Step 2: Convert to fraction form
    282,311.60/389,566.86 = 154,982.84/x
  3. Step 3: Cross multiply
    282,311.60x = 389,566.86 × 154,982.84
  4. Step 4: Simplify right side
    282,311.60x = 60,376,178,332.68
  5. Step 5: Solve for x
    x = 60,376,178,332.68/282,311.60
  6. Step 6: Final answer
    x = 213,863.61

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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.