Home / 163,961.44-245,970.18-75,222.55

Finding the Fourth Proportional to 163,961.44, 245,970.18 and 75,222.55

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Solution

The fourth proportional to 163,961.44, 245,970.18 and 75,222.55 is: 112,846.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,961.44 : 245,970.18 = 75,222.55 : x
  2. Step 2: Convert to fraction form
    163,961.44/245,970.18 = 75,222.55/x
  3. Step 3: Cross multiply
    163,961.44x = 245,970.18 × 75,222.55
  4. Step 4: Simplify right side
    163,961.44x = 18,502,503,885.01
  5. Step 5: Solve for x
    x = 18,502,503,885.01/163,961.44
  6. Step 6: Final answer
    x = 112,846.68

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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.