Home / 109,303.40-163,882.20-50,108.60

Finding the Fourth Proportional to 109,303.40, 163,882.20 and 50,108.60

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Solution

The fourth proportional to 109,303.40, 163,882.20 and 50,108.60 is: 75,129.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,303.40 : 163,882.20 = 50,108.60 : x
  2. Step 2: Convert to fraction form
    109,303.40/163,882.20 = 50,108.60/x
  3. Step 3: Cross multiply
    109,303.40x = 163,882.20 × 50,108.60
  4. Step 4: Simplify right side
    109,303.40x = 8,211,907,606.92
  5. Step 5: Solve for x
    x = 8,211,907,606.92/109,303.40
  6. Step 6: Final answer
    x = 75,129.48

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1.5x scale

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.