Home / 199,203.66-274,901.06-109,779.66

Finding the Fourth Proportional to 199,203.66, 274,901.06 and 109,779.66

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Solution

The fourth proportional to 199,203.66, 274,901.06 and 109,779.66 is: 151,495.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,203.66 : 274,901.06 = 109,779.66 : x
  2. Step 2: Convert to fraction form
    199,203.66/274,901.06 = 109,779.66/x
  3. Step 3: Cross multiply
    199,203.66x = 274,901.06 × 109,779.66
  4. Step 4: Simplify right side
    199,203.66x = 30,178,544,351.54
  5. Step 5: Solve for x
    x = 30,178,544,351.54/199,203.66
  6. Step 6: Final answer
    x = 151,495.93

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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.