Home / 168,277.15-252,415.73-121,037.95

Finding the Fourth Proportional to 168,277.15, 252,415.73 and 121,037.95

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Solution

The fourth proportional to 168,277.15, 252,415.73 and 121,037.95 is: 181,556.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,277.15 : 252,415.73 = 121,037.95 : x
  2. Step 2: Convert to fraction form
    168,277.15/252,415.73 = 121,037.95/x
  3. Step 3: Cross multiply
    168,277.15x = 252,415.73 × 121,037.95
  4. Step 4: Simplify right side
    168,277.15x = 30,551,882,506.95
  5. Step 5: Solve for x
    x = 30,551,882,506.95/168,277.15
  6. Step 6: Final answer
    x = 181,556.93

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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.