Home / 118,809.38-178,212.53-28,852.83

Finding the Fourth Proportional to 118,809.38, 178,212.53 and 28,852.83

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Solution

The fourth proportional to 118,809.38, 178,212.53 and 28,852.83 is: 43,278.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,809.38 : 178,212.53 = 28,852.83 : x
  2. Step 2: Convert to fraction form
    118,809.38/178,212.53 = 28,852.83/x
  3. Step 3: Cross multiply
    118,809.38x = 178,212.53 × 28,852.83
  4. Step 4: Simplify right side
    118,809.38x = 5,141,934,796.63
  5. Step 5: Solve for x
    x = 5,141,934,796.63/118,809.38
  6. Step 6: Final answer
    x = 43,278.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.