Home / 186,132.51-279,092.84-127,039.77

Finding the Fourth Proportional to 186,132.51, 279,092.84 and 127,039.77

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Solution

The fourth proportional to 186,132.51, 279,092.84 and 127,039.77 is: 190,487.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,132.51 : 279,092.84 = 127,039.77 : x
  2. Step 2: Convert to fraction form
    186,132.51/279,092.84 = 127,039.77/x
  3. Step 3: Cross multiply
    186,132.51x = 279,092.84 × 127,039.77
  4. Step 4: Simplify right side
    186,132.51x = 35,455,889,567.05
  5. Step 5: Solve for x
    x = 35,455,889,567.05/186,132.51
  6. Step 6: Final answer
    x = 190,487.36

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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.