Home / 199,550.95-275,382.86-117,881.89

Finding the Fourth Proportional to 199,550.95, 275,382.86 and 117,881.89

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Solution

The fourth proportional to 199,550.95, 275,382.86 and 117,881.89 is: 162,678.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,550.95 : 275,382.86 = 117,881.89 : x
  2. Step 2: Convert to fraction form
    199,550.95/275,382.86 = 117,881.89/x
  3. Step 3: Cross multiply
    199,550.95x = 275,382.86 × 117,881.89
  4. Step 4: Simplify right side
    199,550.95x = 32,462,652,305.11
  5. Step 5: Solve for x
    x = 32,462,652,305.11/199,550.95
  6. Step 6: Final answer
    x = 162,678.52

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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.