Home / 127,887.27-191,886.18-68,653.77

Finding the Fourth Proportional to 127,887.27, 191,886.18 and 68,653.77

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Solution

The fourth proportional to 127,887.27, 191,886.18 and 68,653.77 is: 103,010.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,887.27 : 191,886.18 = 68,653.77 : x
  2. Step 2: Convert to fraction form
    127,887.27/191,886.18 = 68,653.77/x
  3. Step 3: Cross multiply
    127,887.27x = 191,886.18 × 68,653.77
  4. Step 4: Simplify right side
    127,887.27x = 13,173,709,667.90
  5. Step 5: Solve for x
    x = 13,173,709,667.90/127,887.27
  6. Step 6: Final answer
    x = 103,010.33

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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.