Home / 199,279.89-274,850.73-127,666.58

Finding the Fourth Proportional to 199,279.89, 274,850.73 and 127,666.58

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Solution

The fourth proportional to 199,279.89, 274,850.73 and 127,666.58 is: 176,080.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,279.89 : 274,850.73 = 127,666.58 : x
  2. Step 2: Convert to fraction form
    199,279.89/274,850.73 = 127,666.58/x
  3. Step 3: Cross multiply
    199,279.89x = 274,850.73 × 127,666.58
  4. Step 4: Simplify right side
    199,279.89x = 35,089,251,335.35
  5. Step 5: Solve for x
    x = 35,089,251,335.35/199,279.89
  6. Step 6: Final answer
    x = 176,080.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.