Home / 127,999.50-191,992.05-39,252.77

Finding the Fourth Proportional to 127,999.50, 191,992.05 and 39,252.77

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Solution

The fourth proportional to 127,999.50, 191,992.05 and 39,252.77 is: 58,876.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,999.50 : 191,992.05 = 39,252.77 : x
  2. Step 2: Convert to fraction form
    127,999.50/191,992.05 = 39,252.77/x
  3. Step 3: Cross multiply
    127,999.50x = 191,992.05 × 39,252.77
  4. Step 4: Simplify right side
    127,999.50x = 7,536,218,820.52
  5. Step 5: Solve for x
    x = 7,536,218,820.52/127,999.50
  6. Step 6: Final answer
    x = 58,876.94

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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.