Home / 282,245.55-389,503.28-154,932.75

Finding the Fourth Proportional to 282,245.55, 389,503.28 and 154,932.75

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Solution

The fourth proportional to 282,245.55, 389,503.28 and 154,932.75 is: 213,809.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,245.55 : 389,503.28 = 154,932.75 : x
  2. Step 2: Convert to fraction form
    282,245.55/389,503.28 = 154,932.75/x
  3. Step 3: Cross multiply
    282,245.55x = 389,503.28 × 154,932.75
  4. Step 4: Simplify right side
    282,245.55x = 60,346,813,529.76
  5. Step 5: Solve for x
    x = 60,346,813,529.76/282,245.55
  6. Step 6: Final answer
    x = 213,809.62

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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.