Home / 127,999.75-191,992.43-39,253.02

Finding the Fourth Proportional to 127,999.75, 191,992.43 and 39,253.02

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Solution

The fourth proportional to 127,999.75, 191,992.43 and 39,253.02 is: 58,877.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,999.75 : 191,992.43 = 39,253.02 : x
  2. Step 2: Convert to fraction form
    127,999.75/191,992.43 = 39,253.02/x
  3. Step 3: Cross multiply
    127,999.75x = 191,992.43 × 39,253.02
  4. Step 4: Simplify right side
    127,999.75x = 7,536,281,538.41
  5. Step 5: Solve for x
    x = 7,536,281,538.41/127,999.75
  6. Step 6: Final answer
    x = 58,877.31

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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.