Home / 163,882.37-245,847.76-83,965.55

Finding the Fourth Proportional to 163,882.37, 245,847.76 and 83,965.55

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Solution

The fourth proportional to 163,882.37, 245,847.76 and 83,965.55 is: 125,960.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,882.37 : 245,847.76 = 83,965.55 : x
  2. Step 2: Convert to fraction form
    163,882.37/245,847.76 = 83,965.55/x
  3. Step 3: Cross multiply
    163,882.37x = 245,847.76 × 83,965.55
  4. Step 4: Simplify right side
    163,882.37x = 20,642,740,945.52
  5. Step 5: Solve for x
    x = 20,642,740,945.52/163,882.37
  6. Step 6: Final answer
    x = 125,960.72

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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.