Home / 179,827.50-248,161.95-100,339.50

Finding the Fourth Proportional to 179,827.50, 248,161.95 and 100,339.50

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Solution

The fourth proportional to 179,827.50, 248,161.95 and 100,339.50 is: 138,468.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,827.50 : 248,161.95 = 100,339.50 : x
  2. Step 2: Convert to fraction form
    179,827.50/248,161.95 = 100,339.50/x
  3. Step 3: Cross multiply
    179,827.50x = 248,161.95 × 100,339.50
  4. Step 4: Simplify right side
    179,827.50x = 24,900,445,982.03
  5. Step 5: Solve for x
    x = 24,900,445,982.03/179,827.50
  6. Step 6: Final answer
    x = 138,468.51

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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.