Home / 109,005.24-163,157.94-73,400.88

Finding the Fourth Proportional to 109,005.24, 163,157.94 and 73,400.88

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Solution

The fourth proportional to 109,005.24, 163,157.94 and 73,400.88 is: 109,865.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,005.24 : 163,157.94 = 73,400.88 : x
  2. Step 2: Convert to fraction form
    109,005.24/163,157.94 = 73,400.88/x
  3. Step 3: Cross multiply
    109,005.24x = 163,157.94 × 73,400.88
  4. Step 4: Simplify right side
    109,005.24x = 11,975,936,374.99
  5. Step 5: Solve for x
    x = 11,975,936,374.99/109,005.24
  6. Step 6: Final answer
    x = 109,865.69

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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.