Home / 286,317.48-395,115.96-158,993.52

Finding the Fourth Proportional to 286,317.48, 395,115.96 and 158,993.52

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Solution

The fourth proportional to 286,317.48, 395,115.96 and 158,993.52 is: 219,409.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,317.48 : 395,115.96 = 158,993.52 : x
  2. Step 2: Convert to fraction form
    286,317.48/395,115.96 = 158,993.52/x
  3. Step 3: Cross multiply
    286,317.48x = 395,115.96 × 158,993.52
  4. Step 4: Simplify right side
    286,317.48x = 62,820,877,288.58
  5. Step 5: Solve for x
    x = 62,820,877,288.58/286,317.48
  6. Step 6: Final answer
    x = 219,409.86

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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.