Home / 199,187.76-274,855.93-121,624.39

Finding the Fourth Proportional to 199,187.76, 274,855.93 and 121,624.39

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Solution

The fourth proportional to 199,187.76, 274,855.93 and 121,624.39 is: 167,827.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,187.76 : 274,855.93 = 121,624.39 : x
  2. Step 2: Convert to fraction form
    199,187.76/274,855.93 = 121,624.39/x
  3. Step 3: Cross multiply
    199,187.76x = 274,855.93 × 121,624.39
  4. Step 4: Simplify right side
    199,187.76x = 33,429,184,824.13
  5. Step 5: Solve for x
    x = 33,429,184,824.13/199,187.76
  6. Step 6: Final answer
    x = 167,827.51

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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.