Home / 127,864.78-191,881.91-48,976.04

Finding the Fourth Proportional to 127,864.78, 191,881.91 and 48,976.04

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Solution

The fourth proportional to 127,864.78, 191,881.91 and 48,976.04 is: 73,496.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,864.78 : 191,881.91 = 48,976.04 : x
  2. Step 2: Convert to fraction form
    127,864.78/191,881.91 = 48,976.04/x
  3. Step 3: Cross multiply
    127,864.78x = 191,881.91 × 48,976.04
  4. Step 4: Simplify right side
    127,864.78x = 9,397,616,701.58
  5. Step 5: Solve for x
    x = 9,397,616,701.58/127,864.78
  6. Step 6: Final answer
    x = 73,496.52

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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.