Home / 282,037.38-389,211.58-154,713.27

Finding the Fourth Proportional to 282,037.38, 389,211.58 and 154,713.27

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Solution

The fourth proportional to 282,037.38, 389,211.58 and 154,713.27 is: 213,504.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,037.38 : 389,211.58 = 154,713.27 : x
  2. Step 2: Convert to fraction form
    282,037.38/389,211.58 = 154,713.27/x
  3. Step 3: Cross multiply
    282,037.38x = 389,211.58 × 154,713.27
  4. Step 4: Simplify right side
    282,037.38x = 60,216,196,263.67
  5. Step 5: Solve for x
    x = 60,216,196,263.67/282,037.38
  6. Step 6: Final answer
    x = 213,504.31

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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.