Home / 99,748.32-149,646.88-33,188.32

Finding the Fourth Proportional to 99,748.32, 149,646.88 and 33,188.32

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Solution

The fourth proportional to 99,748.32, 149,646.88 and 33,188.32 is: 49,790.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,748.32 : 149,646.88 = 33,188.32 : x
  2. Step 2: Convert to fraction form
    99,748.32/149,646.88 = 33,188.32/x
  3. Step 3: Cross multiply
    99,748.32x = 149,646.88 × 33,188.32
  4. Step 4: Simplify right side
    99,748.32x = 4,966,528,540.44
  5. Step 5: Solve for x
    x = 4,966,528,540.44/99,748.32
  6. Step 6: Final answer
    x = 49,790.60

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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.