Home / 127,999.13-191,991.50-39,252.38

Finding the Fourth Proportional to 127,999.13, 191,991.50 and 39,252.38

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Solution

The fourth proportional to 127,999.13, 191,991.50 and 39,252.38 is: 58,876.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,999.13 : 191,991.50 = 39,252.38 : x
  2. Step 2: Convert to fraction form
    127,999.13/191,991.50 = 39,252.38/x
  3. Step 3: Cross multiply
    127,999.13x = 191,991.50 × 39,252.38
  4. Step 4: Simplify right side
    127,999.13x = 7,536,123,598.49
  5. Step 5: Solve for x
    x = 7,536,123,598.49/127,999.13
  6. Step 6: Final answer
    x = 58,876.37

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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.