Home / 127,917.62-191,876.53-39,159.64

Finding the Fourth Proportional to 127,917.62, 191,876.53 and 39,159.64

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Solution

The fourth proportional to 127,917.62, 191,876.53 and 39,159.64 is: 58,739.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,917.62 : 191,876.53 = 39,159.64 : x
  2. Step 2: Convert to fraction form
    127,917.62/191,876.53 = 39,159.64/x
  3. Step 3: Cross multiply
    127,917.62x = 191,876.53 × 39,159.64
  4. Step 4: Simplify right side
    127,917.62x = 7,513,815,839.25
  5. Step 5: Solve for x
    x = 7,513,815,839.25/127,917.62
  6. Step 6: Final answer
    x = 58,739.49

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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.