Home / 286,624.49-395,538.95-159,297.35

Finding the Fourth Proportional to 286,624.49, 395,538.95 and 159,297.35

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Solution

The fourth proportional to 286,624.49, 395,538.95 and 159,297.35 is: 219,828.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,624.49 : 395,538.95 = 159,297.35 : x
  2. Step 2: Convert to fraction form
    286,624.49/395,538.95 = 159,297.35/x
  3. Step 3: Cross multiply
    286,624.49x = 395,538.95 × 159,297.35
  4. Step 4: Simplify right side
    286,624.49x = 63,008,305,760.30
  5. Step 5: Solve for x
    x = 63,008,305,760.30/286,624.49
  6. Step 6: Final answer
    x = 219,828.76

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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.