Home / 248,078.08-372,163.20-114,870.40

Finding the Fourth Proportional to 248,078.08, 372,163.20 and 114,870.40

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Solution

The fourth proportional to 248,078.08, 372,163.20 and 114,870.40 is: 172,326.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,078.08 : 372,163.20 = 114,870.40 : x
  2. Step 2: Convert to fraction form
    248,078.08/372,163.20 = 114,870.40/x
  3. Step 3: Cross multiply
    248,078.08x = 372,163.20 × 114,870.40
  4. Step 4: Simplify right side
    248,078.08x = 42,750,535,649.28
  5. Step 5: Solve for x
    x = 42,750,535,649.28/248,078.08
  6. Step 6: Final answer
    x = 172,326.94

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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.