Home / 127,999.77-191,992.47-39,253.04

Finding the Fourth Proportional to 127,999.77, 191,992.47 and 39,253.04

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Solution

The fourth proportional to 127,999.77, 191,992.47 and 39,253.04 is: 58,877.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,999.77 : 191,992.47 = 39,253.04 : x
  2. Step 2: Convert to fraction form
    127,999.77/191,992.47 = 39,253.04/x
  3. Step 3: Cross multiply
    127,999.77x = 191,992.47 × 39,253.04
  4. Step 4: Simplify right side
    127,999.77x = 7,536,287,144.65
  5. Step 5: Solve for x
    x = 7,536,287,144.65/127,999.77
  6. Step 6: Final answer
    x = 58,877.35

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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.